diff options
Diffstat (limited to 'sysdeps/posix')
| -rw-r--r-- | sysdeps/posix/mkstemp.c | 2 | ||||
| -rw-r--r-- | sysdeps/posix/sigvec.c | 164 |
2 files changed, 82 insertions, 84 deletions
diff --git a/sysdeps/posix/mkstemp.c b/sysdeps/posix/mkstemp.c index f0db5d5d53..2c9c96bdcc 100644 --- a/sysdeps/posix/mkstemp.c +++ b/sysdeps/posix/mkstemp.c @@ -33,7 +33,7 @@ int mkstemp (template) char *template; { - static const char letters[] + static const char letters[62] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; static uint64_t value; struct timeval tv; diff --git a/sysdeps/posix/sigvec.c b/sysdeps/posix/sigvec.c index 12285fad66..cc4839d73f 100644 --- a/sysdeps/posix/sigvec.c +++ b/sysdeps/posix/sigvec.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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 @@ -20,55 +20,20 @@ #include <errno.h> #include <stddef.h> +/* Include macros to convert between `sigset_t' and old-style mask. */ +#include "sigset-cvt-mask.h" /* We use a wrapper handler to support SV_RESETHAND. */ - -static __sighandler_t wrapped_handlers[NSIG]; -static sigset_t wrapped_masks[NSIG]; - -static void wrapper_handler __P ((int sig)); -static inline int convert_mask __P ((sigset_t *set, const int mask)); - -static void -wrapper_handler (sig) - int sig; +struct sigvec_wrapper_data { - int save; - struct sigaction act; + __sighandler_t sw_handler; + unsigned int sw_mask; +}; - act.sa_handler = SIG_DFL; - act.sa_mask = wrapped_masks[sig]; - act.sa_flags = 0; - save = errno; - (void) __sigaction (sig, &act, (struct sigaction *) NULL); - __set_errno (save); +static void sigvec_wrapper_handler __P ((int sig)); - (*wrapped_handlers[sig]) (sig); -} +static struct sigvec_wrapper_data sigvec_wrapper_data[NSIG]; -static inline int -convert_mask (set, mask) - sigset_t *set; - const int mask; -{ - register int sig; - - if (sizeof (*set) == sizeof (mask)) - *(int *) set = mask; - else if (sizeof (*set) == sizeof (unsigned long int)) - *(unsigned long int *) set = (unsigned int) mask; - else - { - if (__sigemptyset (set) < 0) - return -1; - - for (sig = 1; sig < NSIG && sig <= sizeof (mask) * 8; ++sig) - if ((mask & sigmask (sig)) && __sigaddset (set, sig) < 0) - return -1; - } - - return 0; -} /* 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. @@ -91,25 +56,32 @@ __sigvec (sig, vec, ovec) n = NULL; else { - n = &new; - n->sa_handler = vec->sv_handler; - if (convert_mask (&n->sa_mask, vec->sv_mask) < 0) - return -1; - n->sa_flags = 0; - - if (vec->sv_flags & SV_ONSTACK) + __sighandler_t handler; + unsigned int mask; + unsigned int sv_flags; + unsigned int sa_flags; + + handler = vec->sv_handler; + mask = vec->sv_mask; + sv_flags = vec->sv_flags; + sa_flags = 0; + if (sv_flags & SV_ONSTACK) { #ifdef SA_ONSTACK - n->sa_flags |= SA_ONSTACK; + sa_flags |= SA_ONSTACK; #else __set_errno (ENOSYS); return -1; #endif } #ifdef SA_RESTART - if (!(vec->sv_flags & SV_INTERRUPT)) - n->sa_flags |= SA_RESTART; + if (!(sv_flags & SV_INTERRUPT)) + sa_flags |= SA_RESTART; #endif + n = &new; + new.sa_handler = handler; + sigset_set_old_mask (&new.sa_mask, mask); + new.sa_flags = sa_flags; } if (__sigaction (sig, n, &old) < 0) @@ -117,12 +89,18 @@ __sigvec (sig, vec, ovec) } else { + __sighandler_t handler; + unsigned int mask; + struct sigvec_wrapper_data *data; struct sigaction wrapper; - wrapper.sa_handler = wrapper_handler; - wrapped_handlers[sig] = vec->sv_handler; - if (convert_mask (&wrapped_masks[sig], vec->sv_mask) < 0) - return -1; + handler = vec->sv_handler; + mask = (unsigned int)vec->sv_mask; + data = &sigvec_wrapper_data[sig]; + wrapper.sa_handler = sigvec_wrapper_handler; + /* FIXME: should we set wrapper.sa_mask, wrapper.sa_flags?? */ + data->sw_handler = handler; + data->sw_mask = mask; if (__sigaction (sig, &wrapper, &old) < 0) return -1; @@ -130,38 +108,58 @@ __sigvec (sig, vec, ovec) if (ovec != NULL) { - register int i; - int mask = 0; - - if (sizeof (int) == sizeof (sigset_t)) - mask = *(int *) &old.sa_mask; - else if (sizeof (unsigned long int) == sizeof (sigset_t)) - mask = *(unsigned long int *) &old.sa_mask; - else - for (i = 1; i < NSIG && i <= sizeof (mask) * 8; ++i) - if (__sigismember (&old.sa_mask, i)) - mask |= sigmask (i); - - ovec->sv_mask = mask; - ovec->sv_flags = 0; + __sighandler_t handler; + unsigned int sv_flags; + unsigned int sa_flags; + unsigned int mask; + + handler = old.sa_handler; + sv_flags = 0; + sa_flags = old.sa_flags; + if (handler == sigvec_wrapper_handler) + { + handler = sigvec_wrapper_data[sig].sw_handler; + /* should we use data->sw_mask?? */ + sv_flags |= SV_RESETHAND; + } + sigset_get_old_mask (&old.sa_mask, mask); #ifdef SA_ONSTACK - if (old.sa_flags & SA_ONSTACK) - ovec->sv_flags |= SV_ONSTACK; + if (sa_flags & SA_ONSTACK) + sv_flags |= SV_ONSTACK; #endif #ifdef SA_RESTART - if (!(old.sa_flags & SA_RESTART)) + if (!(sa_flags & SA_RESTART)) #endif - ovec->sv_flags |= SV_INTERRUPT; - if (old.sa_handler == wrapper_handler) - { - ovec->sv_flags |= SV_RESETHAND; - ovec->sv_handler = wrapped_handlers[sig]; - } - else - ovec->sv_handler = old.sa_handler; + sv_flags |= SV_INTERRUPT; + ovec->sv_handler = handler; + ovec->sv_mask = (int)mask; + ovec->sv_flags = (int)sv_flags; } return 0; } weak_alias (__sigvec, sigvec) + + +static void +sigvec_wrapper_handler (sig) + int sig; +{ + struct sigvec_wrapper_data *data; + unsigned int mask; + struct sigaction act; + int save; + __sighandler_t handler; + + data = &sigvec_wrapper_data[sig]; + mask = data->sw_mask; + act.sa_handler = SIG_DFL; + sigset_set_old_mask (&act.sa_mask, mask); + act.sa_flags = 0; + save = errno; + handler = data->sw_handler; + (void) __sigaction (sig, &act, (struct sigaction *) NULL); + __set_errno (save); + (*handler) (sig); +} |