diff options
Diffstat (limited to 'signal')
| -rw-r--r-- | signal/Makefile | 5 | ||||
| -rw-r--r-- | signal/allocrtsig.c | 96 | ||||
| -rw-r--r-- | signal/kill.c | 37 | ||||
| -rw-r--r-- | signal/killpg.c | 36 | ||||
| -rw-r--r-- | signal/raise.c | 34 | ||||
| -rw-r--r-- | signal/sigaction.c | 44 | ||||
| -rw-r--r-- | signal/sigaltstack.c | 34 | ||||
| -rw-r--r-- | signal/sigblock.c | 33 | ||||
| -rw-r--r-- | signal/sigfillset.c | 47 | ||||
| -rw-r--r-- | signal/sigignore.c | 33 | ||||
| -rw-r--r-- | signal/sigintr.c | 35 | ||||
| -rw-r--r-- | signal/signal.c | 38 | ||||
| -rw-r--r-- | signal/sigpause.c | 53 | ||||
| -rw-r--r-- | signal/sigpending.c | 40 | ||||
| -rw-r--r-- | signal/sigprocmask.c | 51 | ||||
| -rw-r--r-- | signal/sigqueue.c | 33 | ||||
| -rw-r--r-- | signal/sigreturn.c | 32 | ||||
| -rw-r--r-- | signal/sigset.c | 34 | ||||
| -rw-r--r-- | signal/sigsetmask.c | 32 | ||||
| -rw-r--r-- | signal/sigstack.c | 34 | ||||
| -rw-r--r-- | signal/sigsuspend.c | 37 | ||||
| -rw-r--r-- | signal/sigtimedwait.c | 34 | ||||
| -rw-r--r-- | signal/sigvec.c | 39 | ||||
| -rw-r--r-- | signal/sigwait.c | 32 | ||||
| -rw-r--r-- | signal/sigwaitinfo.c | 33 | ||||
| -rw-r--r-- | signal/sysv_signal.c | 43 | ||||
| -rw-r--r-- | signal/tst-sigset2.c | 184 |
27 files changed, 1180 insertions, 3 deletions
diff --git a/signal/Makefile b/signal/Makefile index b5c18fef04..fa8d098da0 100644 --- a/signal/Makefile +++ b/signal/Makefile @@ -1,5 +1,4 @@ -# Copyright (C) 1991,1992,1993,1994,1995,1996,1997,1998,2003 -# Free Software Foundation, Inc. +# Copyright (C) 1991-1998,2003,2006 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -38,7 +37,7 @@ routines := signal raise killpg \ allocrtsig sigtimedwait sigwaitinfo sigqueue \ sighold sigrelse sigignore sigset -tests := tst-signal tst-sigset tst-sigsimple tst-raise +tests := tst-signal tst-sigset tst-sigsimple tst-raise tst-sigset2 distribute := sigsetops.h testrtsig.h sigset-cvt-mask.h diff --git a/signal/allocrtsig.c b/signal/allocrtsig.c new file mode 100644 index 0000000000..ac8d2b6bfe --- /dev/null +++ b/signal/allocrtsig.c @@ -0,0 +1,96 @@ +/* Handle real-time signal allocation. + Copyright (C) 1997,98,99,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <signal.h> + +/* In these variables we keep track of the used variables. If the + platform does not support any real-time signals we will define the + values to some unreasonable value which will signal failing of all + the functions below. */ +#ifndef __SIGRTMIN +static int current_rtmin = -1; +static int current_rtmax = -1; +#else +static int current_rtmin; +static int current_rtmax; + +static int initialized; + +#include <testrtsig.h> + +static void +init (void) +{ + if (!kernel_has_rtsig ()) + { + current_rtmin = -1; + current_rtmax = -1; + } + else + { + current_rtmin = __SIGRTMIN; + current_rtmax = __SIGRTMAX; + } + initialized = 1; +} +#endif + +/* Return number of available real-time signal with highest priority. */ +int +__libc_current_sigrtmin (void) +{ +#ifdef __SIGRTMIN + if (!initialized) + init (); +#endif + return current_rtmin; +} +libc_hidden_def (__libc_current_sigrtmin) + +/* Return number of available real-time signal with lowest priority. */ +int +__libc_current_sigrtmax (void) +{ +#ifdef __SIGRTMIN + if (!initialized) + init (); +#endif + return current_rtmax; +} +libc_hidden_def (__libc_current_sigrtmax) + +/* Allocate real-time signal with highest/lowest available + priority. Please note that we don't use a lock since we assume + this function to be called at program start. */ +int +__libc_allocate_rtsig (int high) +{ +#ifndef __SIGRTMIN + return -1; +#else + if (!initialized) + init (); + if (current_rtmin == -1 || current_rtmin > current_rtmax) + /* We don't have anymore signal available. */ + return -1; + + return high ? current_rtmin++ : current_rtmax--; +#endif +} diff --git a/signal/kill.c b/signal/kill.c new file mode 100644 index 0000000000..1d81e45dde --- /dev/null +++ b/signal/kill.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Send signal SIG to process number PID. If PID is zero, + send SIG to all processes in the current process's process group. + If PID is < -1, send SIG to all processes in process group - PID. */ +int +__kill (pid, sig) + int pid; + int sig; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (kill) + +weak_alias (__kill, kill) +#include <stub-tag.h> diff --git a/signal/killpg.c b/signal/killpg.c new file mode 100644 index 0000000000..ad9258dffc --- /dev/null +++ b/signal/killpg.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Send SIG to all processes in process group PGRP. + If PGRP is zero, send SIG to all processes in + the current process's process group. */ +int +killpg (pgrp, sig) + __pid_t pgrp; + int sig; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (killpg) +#include <stub-tag.h> diff --git a/signal/raise.c b/signal/raise.c new file mode 100644 index 0000000000..c5a449f7bc --- /dev/null +++ b/signal/raise.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991,95,96,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <signal.h> +#include <errno.h> + +/* Raise the signal SIG. */ +int +raise (sig) + int sig; +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (raise, gsignal) + +stub_warning (raise) +stub_warning (gsignal) +#include <stub-tag.h> diff --git a/signal/sigaction.c b/signal/sigaction.c new file mode 100644 index 0000000000..bf0a15bacb --- /dev/null +++ b/signal/sigaction.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* If ACT is not NULL, change the action for SIG to *ACT. + If OACT is not NULL, put the old action for SIG in *OACT. */ +int +__sigaction (sig, act, oact) + int sig; + const struct sigaction *act; + struct sigaction *oact; +{ + if (sig <= 0 || sig >= NSIG) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__sigaction) +stub_warning (sigaction) + +weak_alias (__sigaction, sigaction) +#include <stub-tag.h> diff --git a/signal/sigaltstack.c b/signal/sigaltstack.c new file mode 100644 index 0000000000..17c7e06b35 --- /dev/null +++ b/signal/sigaltstack.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +/* Run signals handlers on the stack specified by SS (if not NULL). + If OSS is not NULL, it is filled in with the old signal stack status. */ +int +sigaltstack (ss, oss) + const struct sigaltstack *ss; + struct sigaltstack *oss; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (sigaltstack) +#include <stub-tag.h> diff --git a/signal/sigblock.c b/signal/sigblock.c new file mode 100644 index 0000000000..81a4ff1447 --- /dev/null +++ b/signal/sigblock.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +/* Block signals in MASK, returning the old mask. */ +int +__sigblock (mask) + int mask; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sigblock) + +weak_alias (__sigblock, sigblock) +#include <stub-tag.h> diff --git a/signal/sigfillset.c b/signal/sigfillset.c new file mode 100644 index 0000000000..95d52cf0c0 --- /dev/null +++ b/signal/sigfillset.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1991,96,97,2002,2003,2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> +#include <string.h> + +/* Set all signals in SET. */ +int +sigfillset (set) + sigset_t *set; +{ + if (set == NULL) + { + __set_errno (EINVAL); + return -1; + } + + memset (set, 0xff, sizeof (sigset_t)); + + /* If the implementation uses a cancellation signal don't set the bit. */ +#ifdef SIGCANCEL + __sigdelset (set, SIGCANCEL); +#endif + /* Likewise for the signal to implement setxid. */ +#ifdef SIGSETXID + __sigdelset (set, SIGSETXID); +#endif + + return 0; +} +libc_hidden_def (sigfillset) diff --git a/signal/sigignore.c b/signal/sigignore.c new file mode 100644 index 0000000000..734422dd81 --- /dev/null +++ b/signal/sigignore.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Set the disposition for SIG to SIG_IGN. */ +int +sigignore (sig) + int sig; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (sigignore) +#include <stub-tag.h> diff --git a/signal/sigintr.c b/signal/sigintr.c new file mode 100644 index 0000000000..9d4c2c8f58 --- /dev/null +++ b/signal/sigintr.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +/* If INTERRUPT is nonzero, make signal SIG interrupt system calls + (causing them to fail with EINTR); if INTERRUPT is zero, make system + calls be restarted after signal SIG. */ +int +siginterrupt (sig, interrupt) + int sig; + int interrupt; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (siginterrupt) +#include <stub-tag.h> diff --git a/signal/signal.c b/signal/signal.c new file mode 100644 index 0000000000..6c1808bb15 --- /dev/null +++ b/signal/signal.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Set the handler for the signal SIG to HANDLER, + returning the old handler, or SIG_ERR on error. */ +__sighandler_t +signal (sig, handler) + int sig; + __sighandler_t handler; +{ + __set_errno (ENOSYS); + return SIG_ERR; +} + +weak_alias (signal, ssignal) + +stub_warning (signal) +stub_warning (ssignal) +#include <stub-tag.h> diff --git a/signal/sigpause.c b/signal/sigpause.c new file mode 100644 index 0000000000..bc598d070c --- /dev/null +++ b/signal/sigpause.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1991,95,96,2000,02,2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define sigpause __rename_sigpause +#include <errno.h> +#include <signal.h> +#undef sigpause + +int +__sigpause (sig_or_mask, is_sig) + int sig_or_mask; + int is_sig; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (__sigpause) +libc_hidden_def (__sigpause) + +int +__attribute__ ((weak)) +__default_sigpause (int mask) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__default_sigpause, sigpause) +stub_warning (sigpause) +#include <stub-tag.h> + + +int +__attribute ((weak)) +__xpg___sigpause (int sig) +{ + __set_errno (ENOSYS); + return -1; +} diff --git a/signal/sigpending.c b/signal/sigpending.c new file mode 100644 index 0000000000..80e16e588c --- /dev/null +++ b/signal/sigpending.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <signal.h> + + +/* Store in SET all signals that are blocked and pending. */ +int +sigpending (set) + sigset_t *set; +{ + if (set == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +stub_warning (sigpending) +#include <stub-tag.h> diff --git a/signal/sigprocmask.c b/signal/sigprocmask.c new file mode 100644 index 0000000000..472b3a4fa5 --- /dev/null +++ b/signal/sigprocmask.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* If SET is not NULL, modify the current set of blocked signals + according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK. + If OSET is not NULL, store the old set of blocked signals in *OSET. */ +int +__sigprocmask (how, set, oset) + int how; + const sigset_t *set; + sigset_t *oset; +{ + switch (how) + { + case SIG_BLOCK: + case SIG_UNBLOCK: + case SIG_SETMASK: + break; + default: + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +/* No stub warning because abort calls __sigprocmask, + and we don't want warnings for every use of abort on + a system without safe signals. */ + +weak_alias (__sigprocmask, sigprocmask) diff --git a/signal/sigqueue.c b/signal/sigqueue.c new file mode 100644 index 0000000000..c6e77c0a27 --- /dev/null +++ b/signal/sigqueue.c @@ -0,0 +1,33 @@ +/* Implementation of sigqueue function from POSIX.1b. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> +#include <sys/types.h> + +int +__sigqueue (pid_t pid, int sig, const union sigval val) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__sigqueue, sigqueue) + +stub_warning (sigqueue) +#include <stub-tag.h> diff --git a/signal/sigreturn.c b/signal/sigreturn.c new file mode 100644 index 0000000000..0239b0a98c --- /dev/null +++ b/signal/sigreturn.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1992, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <signal.h> +#include <errno.h> + +int +__sigreturn (context) + struct sigcontext *context; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sigreturn) + +weak_alias (__sigreturn, sigreturn) +#include <stub-tag.h> diff --git a/signal/sigset.c b/signal/sigset.c new file mode 100644 index 0000000000..191a909158 --- /dev/null +++ b/signal/sigset.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Set the disposition for SIG. */ +__sighandler_t +sigset (sig, disp) + int sig; + __sighandler_t disp; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (sigset) +#include <stub-tag.h> diff --git a/signal/sigsetmask.c b/signal/sigsetmask.c new file mode 100644 index 0000000000..602c0add40 --- /dev/null +++ b/signal/sigsetmask.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +int +__sigsetmask (mask) + int mask; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sigsetmask) + +weak_alias (__sigsetmask, sigsetmask) +#include <stub-tag.h> diff --git a/signal/sigstack.c b/signal/sigstack.c new file mode 100644 index 0000000000..ca9c8018a4 --- /dev/null +++ b/signal/sigstack.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +/* Run signals handlers on the stack specified by SS (if not NULL). + If OSS is not NULL, it is filled in with the old signal stack status. */ +int +sigstack (ss, oss) + struct sigstack *ss; + struct sigstack *oss; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (sigstack) +#include <stub-tag.h> diff --git a/signal/sigsuspend.c b/signal/sigsuspend.c new file mode 100644 index 0000000000..58452e334c --- /dev/null +++ b/signal/sigsuspend.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + + +/* Change the set of blocked signals to SET, + wait until a signal arrives, and restore the set of blocked signals. */ +int +__sigsuspend (set) + const sigset_t *set; +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__sigsuspend) +weak_alias (__sigsuspend, sigsuspend) + +stub_warning (sigsuspend) +stub_warning (__sigsuspend) +#include <stub-tag.h> diff --git a/signal/sigtimedwait.c b/signal/sigtimedwait.c new file mode 100644 index 0000000000..7b114a3133 --- /dev/null +++ b/signal/sigtimedwait.c @@ -0,0 +1,34 @@ +/* Implementation of sigtimedwait function from POSIX.1b. + Copyright (C) 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +int +__sigtimedwait (const sigset_t *set, siginfo_t *info, + const struct timespec *timeout) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__sigtimedwait) +weak_alias (__sigtimedwait, sigtimedwait) + +stub_warning (sigtimedwait) +#include <stub-tag.h> diff --git a/signal/sigvec.c b/signal/sigvec.c new file mode 100644 index 0000000000..148e9a0d85 --- /dev/null +++ b/signal/sigvec.c @@ -0,0 +1,39 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <signal.h> +#include <errno.h> + +/* If VEC is non-NULL, set the handler for SIG to the `sv_handler' member + of VEC. The signals in `sv_mask' will be blocked while the handler runs. + If the SV_RESETHAND bit is set in `sv_flags', the handler for SIG will be + reset to SIG_DFL before `sv_handler' is entered. If OVEC is non-NULL, + it is filled in with the old information for SIG. */ +int +__sigvec (sig, vec, ovec) + int sig; + const struct sigvec *vec; + struct sigvec *ovec; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sigvec) + +weak_alias (__sigvec, sigvec) +#include <stub-tag.h> diff --git a/signal/sigwait.c b/signal/sigwait.c new file mode 100644 index 0000000000..016768553d --- /dev/null +++ b/signal/sigwait.c @@ -0,0 +1,32 @@ +/* sigwait - implementation of sigwait function from POSIX.1c. + Copyright (C) 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +int +__sigwait (const sigset_t *set, int *sig) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__sigwait, sigwait) + +stub_warning (sigwait) +#include <stub-tag.h> diff --git a/signal/sigwaitinfo.c b/signal/sigwaitinfo.c new file mode 100644 index 0000000000..e0659b0243 --- /dev/null +++ b/signal/sigwaitinfo.c @@ -0,0 +1,33 @@ +/* Implementation of sigwaitinfo function from POSIX.1b. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +int +__sigwaitinfo (const sigset_t *set, siginfo_t *info) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__sigwaitinfo) +weak_alias (__sigwaitinfo, sigwaitinfo) + +stub_warning (sigwaitinfo) +#include <stub-tag.h> diff --git a/signal/sysv_signal.c b/signal/sysv_signal.c new file mode 100644 index 0000000000..86dbb1d093 --- /dev/null +++ b/signal/sysv_signal.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> + +/* Set the handler for the signal SIG to HANDLER, + returning the old handler, or SIG_ERR on error. */ +__sighandler_t +__sysv_signal (sig, handler) + int sig; + __sighandler_t handler; +{ + /* Check signal extents to protect __sigismember. */ + if (handler == SIG_ERR || sig < 1 || sig >= NSIG) + { + __set_errno (EINVAL); + return SIG_ERR; + } + + __set_errno (ENOSYS); + + return SIG_ERR; +} +weak_alias (__sysv_signal, sysv_signal) + +stub_warning (sysv_signal) +#include <stub-tag.h> diff --git a/signal/tst-sigset2.c b/signal/tst-sigset2.c new file mode 100644 index 0000000000..f653323321 --- /dev/null +++ b/signal/tst-sigset2.c @@ -0,0 +1,184 @@ +/* sigset_SIG_HOLD_bug.c [BZ #1951] */ +#include <errno.h> +#include <error.h> +#include <inttypes.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +#define TEST_SIG SIGINT + + +/* Print mask of blocked signals for this process */ +static void +printSigMask (const char *msg) +{ + sigset_t currMask; + int sig; + int cnt; + + if (msg != NULL) + printf ("%s", msg); + + if (sigprocmask (SIG_BLOCK, NULL, &currMask) == -1) + error (1, errno, "sigaction"); + + cnt = 0; + for (sig = 1; sig < NSIG; sig++) + { + if (sigismember (&currMask, sig)) + { + cnt++; + printf ("\t\t%d (%s)\n", sig, strsignal (sig)); + } + } + + if (cnt == 0) + printf ("\t\t<empty signal set>\n"); +} /* printSigMask */ + +static void +handler (int sig) +{ + printf ("Caught signal %d\n", sig); + printSigMask ("Signal mask in handler\n"); + printf ("Handler returning\n"); + _exit (1); +} /* handler */ + +static void +printDisposition (sighandler_t disp) +{ + if (disp == SIG_HOLD) + printf ("SIG_HOLD"); + else if (disp == SIG_DFL) + printf ("SIG_DFL"); + else if (disp == SIG_IGN) + printf ("SIG_IGN"); + else + printf ("handled at %" PRIxPTR, (uintptr_t) disp); +} /* printDisposition */ + +static int +returnTest1 (void) +{ + sighandler_t prev; + + printf ("===== TEST 1 =====\n"); + printf ("Blocking signal with sighold()\n"); + if (sighold (TEST_SIG) == -1) + error (1, errno, "sighold"); + printSigMask ("Signal mask after sighold()\n"); + + printf ("About to use sigset() to establish handler\n"); + prev = sigset (TEST_SIG, handler); + if (prev == SIG_ERR) + error(1, errno, "sigset"); + + printf ("Previous disposition: "); + printDisposition (prev); + printf (" (should be SIG_HOLD)\n"); + if (prev != SIG_HOLD) + { + printf("TEST FAILED!!!\n"); + return 1; + } + return 0; +} /* returnTest1 */ + +static int +returnTest2 (void) +{ + sighandler_t prev; + + printf ("\n===== TEST 2 =====\n"); + + printf ("About to use sigset() to set SIG_HOLD\n"); + prev = sigset (TEST_SIG, SIG_HOLD); + if (prev == SIG_ERR) + error (1, errno, "sigset"); + + printf ("Previous disposition: "); + printDisposition (prev); + printf (" (should be SIG_DFL)\n"); + if (prev != SIG_DFL) + { + printf("TEST FAILED!!!\n"); + return 1; + } + return 0; +} /* returnTest2 */ + +static int +returnTest3 (void) +{ + sighandler_t prev; + + printf ("\n===== TEST 3 =====\n"); + + printf ("About to use sigset() to set SIG_HOLD\n"); + prev = sigset (TEST_SIG, SIG_HOLD); + if (prev == SIG_ERR) + error (1, errno, "sigset"); + + printf ("About to use sigset() to set SIG_HOLD (again)\n"); + prev = sigset (TEST_SIG, SIG_HOLD); + if (prev == SIG_ERR) + error (1, errno, "sigset"); + + printf ("Previous disposition: "); + printDisposition (prev); + printf (" (should be SIG_HOLD)\n"); + if (prev != SIG_HOLD) + { + printf("TEST FAILED!!!\n"); + return 1; + } + return 0; +} /* returnTest3 */ + +int +main (int argc, char *argv[]) +{ + pid_t childPid; + + childPid = fork(); + if (childPid == -1) + error (1, errno, "fork"); + + if (childPid == 0) + exit (returnTest1 ()); + + int status; + if (TEMP_FAILURE_RETRY (waitpid (childPid, &status, 0)) != childPid) + error (1, errno, "waitpid"); + int result = !WIFEXITED (status) || WEXITSTATUS (status) != 0; + + childPid = fork(); + if (childPid == -1) + error (1, errno, "fork"); + + if (childPid == 0) + exit (returnTest2 ()); + + if (TEMP_FAILURE_RETRY (waitpid (childPid, &status, 0)) != childPid) + error (1, errno, "waitpid"); + result |= !WIFEXITED (status) || WEXITSTATUS (status) != 0; + + childPid = fork(); + if (childPid == -1) + error (1, errno, "fork"); + + if (childPid == 0) + exit (returnTest3 ()); + + if (TEMP_FAILURE_RETRY (waitpid (childPid, &status, 0)) != childPid) + error (1, errno, "waitpid"); + result |= !WIFEXITED (status) || WEXITSTATUS (status) != 0; + + return result; +} /* main */ |