diff options
Diffstat (limited to 'sysdeps/posix/profil.c')
| -rw-r--r-- | sysdeps/posix/profil.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sysdeps/posix/profil.c b/sysdeps/posix/profil.c index d789c121cd..3c2e1dfa07 100644 --- a/sysdeps/posix/profil.c +++ b/sysdeps/posix/profil.c @@ -1,5 +1,5 @@ /* Low-level statistical profiling support function. Mostly POSIX.1 version. - Copyright (C) 1996,97,98,2002 Free Software Foundation, Inc. + Copyright (C) 1996,97,98,2002, 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 @@ -62,10 +62,13 @@ profil_count (void *pc) int __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) { - static struct sigaction oact; - static struct itimerval otimer; struct sigaction act; struct itimerval timer; +#ifndef IS_IN_rtld + static struct sigaction oact; + static struct itimerval otimer; +# define oact_ptr &oact +# define otimer_ptr &otimer if (sample_buffer == NULL) { @@ -88,6 +91,12 @@ __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) || __sigaction (SIGPROF, &oact, NULL) < 0) return -1; } +#else + /* In ld.so profiling should never be disabled once it runs. */ + //assert (sample_buffer != NULL); +# define oact_ptr NULL +# define otimer_ptr NULL +#endif samples = sample_buffer; nsamples = size / sizeof *samples; @@ -97,13 +106,13 @@ __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) act.sa_handler = (sighandler_t) &profil_counter; act.sa_flags = SA_RESTART; __sigfillset (&act.sa_mask); - if (__sigaction (SIGPROF, &act, &oact) < 0) + if (__sigaction (SIGPROF, &act, oact_ptr) < 0) return -1; timer.it_value.tv_sec = 0; timer.it_value.tv_usec = 1; timer.it_interval = timer.it_value; - return __setitimer (ITIMER_PROF, &timer, &otimer); + return __setitimer (ITIMER_PROF, &timer, otimer_ptr); } weak_alias (__profil, profil) |