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authorUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
commitbd355af04fc1df69d4ebb6733be170b9baf0dfb5 (patch)
tree7c003a29de4031db7de6ddd8e86c43bd746891a0 /sysdeps/posix
parentafe93c0bb33ca7f45b9b60c30067e7b84827e900 (diff)
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1997-12-14 21:33  Ulrich Drepper  <drepper@cygnus.com>

	* version.h (VERSION): Bump to 2.0.91.

	* db2/makedb.c (process_input): Fix typo in message.
	* sunrpc/rpcinfo.c (pmapdump): Unify messages.

	* elf/dynamic-link.h: Pretty print.

	* elf/rtld.c: Allow multiple preloading of a shared object.

	* include/limits.h: Prevent multiple inclusion.

	* malloc/Makefile (headers): Add mcheck.h.
	(distribute): Remove it here.
	* malloc/mcheck.h: Pretty print.
	* malloc/mtrace.c (mallenv): Make `const'.
	* malloc/mtrace.pl: Don't print table head for memory leaks if there
	are none.
	* manual/memory.texi: Update descriptor of malloc hooks.

	* posix/Makefile (routines): Add waitid.
	* posix/sys/types.h [__USE_SVID || __USE_POSIX]: Define id_t based
	on __id_t.
	* posix/sys/wait.h: Define idtype_t type.
	Add prototype for waitid.
	* signal/signal.h: Move definition of sigval_t to <bits/siginfo.h>.
	* sysdeps/generic/waitid.c: Stub for waitid.
	* sysdeps/generic/bits/siginfo.h: Define sigval_t.  Arrange to work
	the __need_siginfo_t defined.
	* sysdeps/unix/sysv/linux/bits/siginfo: Likewise.
	* sysdeps/generic/bits/types.h: Define __id_t.
	Correct definition of __FDMASK.
	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise.

	* sysdeps/posix/waitid.c: New file.
	Provided by Zack Weinberg.

	* rt/aio_misc.c: Rename __aio_free_req to __aio_free_request.

	* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Add missing parameters.

	* sysdeps/generic/dl-sysdep.c: Don't call __libc_init_secure.
	* sysdeps/generic/enbl-secure.c: Don't define __libc_uid.
	* sysdeps/unix/sysv/linux/init-first.c: Define __libc_uid.
	* sysdeps/unix/sysv/linux/sigqueue.c: Make sure __libc_uid is
	initialized.

	* sysdeps/i386/dl-machine.h: Little cleanup.

	* sysdeps/i386/fpu/bits/mathinline.h: Use __signbit* inline functions.
	(__finite): Mark function as const.
	Add inline code for __ieee754_atan2.

	* sysdeps/libm-ieee754/s_cacoshf.c: Add alternate implementation
	(but don't use it now).
	* sysdeps/libm-ieee754/s_catan.c: Use __ieee754_atan2 instead of
	__atan.
	* sysdeps/libm-ieee754/s_catanf.c: Likewise.
	* sysdeps/libm-ieee754/s_catanl.c: Likewise.
	* sysdeps/libm-ieee754/s_catanh.c: Likewise.  Correct sign of
	real part.
	* sysdeps/libm-ieee754/s_catanhf.c: Likewise.
	* sysdeps/libm-ieee754/s_catanhl.c: Likewise.
	* sysdeps/libm-ieee754/s_clog10.c: Use factor to correct
	__ieee754_atan2 to base 10.
	* sysdeps/libm-ieee754/s_clog10f.c: Likewise.
	* sysdeps/libm-ieee754/s_clog10l.c: Likewise.

	* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Define as
	old_kernel_sigaction.

	* sysdeps/unix/sysv/linux/net/if_slip.h: Pretty print.

	* wctype/Makefile (routines): Add wctype_l.
	* wctype/wctype.h: Add declaration of __wctype_l.
	* wctype/wctype_l.c: New file.

1997-12-10 00:38  Ulrich Drepper  <drepper@cygnus.com>

	* locale/C-ctype.c: Correct data for isw* functions.
	* locale/programs/ld-ctype.c: Write 32bit char classes in correct
	byte order.
	* wctype/test_wctype.c: Add test for isw* functions.
	* wctype/wctype.c: Return value with expected byte order.

	* sysdeps/generic/_G_config.h: Define _G_HAVE_IO_FILE_OPEN.
	* sysdeps/unix/sysv/linux/_G_config.h: Likewise.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/waitid.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/sysdeps/posix/waitid.c b/sysdeps/posix/waitid.c
new file mode 100644
index 0000000000..a36883a8d2
--- /dev/null
+++ b/sysdeps/posix/waitid.c
@@ -0,0 +1,118 @@
+/* Pseudo implementation of waitid.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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/wait.h>
+#include <sys/types.h>
+
+#include <assert.h>
+
+int
+waitid (idtype, id, infop, options)
+     idtype_t idtype;
+     id_t id;
+     siginfo_t *infop;
+     int options;
+{
+  pid_t pid, child;
+  int status;
+
+  switch (idtype)
+    {
+    case P_PID:
+      if(id <= 0)
+	goto invalid;
+      pid = (pid_t) id;
+      break;
+    case P_PGID:
+      if (id < 0 || id == 1)
+	goto invalid;
+      pid = (pid_t) -id;
+      break;
+    case P_ALL:
+      pid = -1;
+      break;
+    default:
+    invalid:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* Technically we're supposed to return EFAULT if infop is bogus,
+     but that would involve mucking with signals, which is
+     too much hassle.  User will have to deal with SIGSEGV/SIGBUS.
+     We just check for a null pointer. */
+
+  if (infop == NULL)
+    {
+      __set_errno (EFAULT);
+      return -1;
+    }
+
+  child = waitpid (pid, &status, options);
+
+  if (child == -1)
+    /* `waitpid' set `errno' for us.  */
+    return -1;
+
+  if (child == 0)
+    {
+      /* The WHOHANG bit in OPTIONS is set and there are children available
+	 but none has a status for us.  The XPG docs do not mention this
+	 case so we clear the `siginfo_t' struct and return succesfully.  */
+      infop->si_signo = 0;
+      infop->si_code = 0;
+      return 0;
+    }
+
+  /* Decode the status field and set infop members... */
+  infop->si_signo = SIGCHLD;
+  infop->si_pid = child;
+  infop->si_errno = 0;
+
+  if (WIFEXITED (status))
+    {
+      infop->si_code = CLD_EXITED;
+      infop->si_status = WEXITSTATUS (status);
+    }
+  else if (WIFSIGNALED (status))
+    {
+      infop->si_code = WCOREDUMP (status) ? CLD_DUMPED : CLD_KILLED;
+      infop->si_status = WTERMSIG (status);
+    }
+  else if (WIFSTOPPED (status))
+    {
+      infop->si_code = CLD_STOPPED;
+      infop->si_status = WSTOPSIG (status);
+    }
+#ifdef WIFCONTINUED
+  else if (WIFCONTINUED (status))
+    {
+      infop->si_code = CLD_CONTINUED;
+      infop->si_status = SIGCONT;
+    }
+#endif
+  else
+    /* Can't happen. */
+    assert (! "What?");
+
+  return 0;
+}