diff options
Diffstat (limited to 'sysdeps/posix/sprofil.c')
| -rw-r--r-- | sysdeps/posix/sprofil.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/sysdeps/posix/sprofil.c b/sysdeps/posix/sprofil.c index d9d639aaad..621771eb40 100644 --- a/sysdeps/posix/sprofil.c +++ b/sysdeps/posix/sprofil.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2018 Free Software Foundation, Inc. +/* Copyright (C) 2001-2019 Free Software Foundation, Inc. Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. This file is part of the GNU C Library. @@ -14,7 +14,7 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ + <https://www.gnu.org/licenses/>. */ #include <assert.h> #include <signal.h> @@ -105,10 +105,10 @@ index_to_pc (unsigned long int n, size_t offset, unsigned int scale, } static void -profil_count (void *pcp, int prof_uint) +profil_count (uintptr_t pcp, int prof_uint) { struct region *region, *r = prof_info.last; - size_t lo, hi, mid, pc = (unsigned long int) pcp; + size_t lo, hi, mid, pc = pcp; unsigned long int i; /* Fast path: pc is in same region as before. */ @@ -165,13 +165,13 @@ profil_count (void *pcp, int prof_uint) } static inline void -profil_count_ushort (void *pcp) +profil_count_ushort (uintptr_t pcp) { profil_count (pcp, 0); } static inline void -profil_count_uint (void *pcp) +profil_count_uint (uintptr_t pcp) { profil_count (pcp, 1); } @@ -334,11 +334,18 @@ __sprofil (struct prof *profp, int profcnt, struct timeval *tvp, prof_info.last = prof_info.region; /* Install SIGPROF handler. */ - if (flags & PROF_UINT) - act.sa_handler = (sighandler_t) &__profil_counter_uint; - else - act.sa_handler = (sighandler_t) &__profil_counter_ushort; - act.sa_flags = SA_RESTART; +#ifdef SA_SIGINFO + act.sa_sigaction= flags & PROF_UINT + ? __profil_counter_uint + : __profil_counter_ushort; + act.sa_flags = SA_SIGINFO; +#else + act.sa_handler = flags & PROF_UINT + ? (sighandler_t) __profil_counter_uint + : (sighandler_t) __profil_counter_ushort; + act.sa_flags = 0; +#endif + act.sa_flags |= SA_RESTART; __sigfillset (&act.sa_mask); if (__sigaction (SIGPROF, &act, &prof_info.saved_action) < 0) return -1; |