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authorDenis Vlasenko <vda.linux@googlemail.com>2008-11-29 16:46:07 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2008-11-29 16:46:07 +0000
commit7357e8836f7c742602f59cc8f2b97382634c59b8 (patch)
tree0c8c736305cb1922b70cd99d4d8e5f80114653e8 /libc/stdlib/abort.c
parent35ae1599438a15568818bf09b493d7b49039d452 (diff)
shring sugnal-relared stuff a bit. BTW why constant memset is not inlined by gcc?
text data bss dec hex filename - 38015 18096 8636 64747 fceb lib/libpthread-0.9.30-svn.so + 38001 18096 8636 64733 fcdd lib/libpthread-0.9.30-svn.so - 274842 1835 19012 295689 48309 lib/libuClibc-0.9.30-svn.so + 274779 1835 19012 295626 482ca lib/libuClibc-0.9.30-svn.so
Diffstat (limited to 'libc/stdlib/abort.c')
-rw-r--r--libc/stdlib/abort.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/libc/stdlib/abort.c b/libc/stdlib/abort.c
index 7291d0ea4..901218f8d 100644
--- a/libc/stdlib/abort.c
+++ b/libc/stdlib/abort.c
@@ -60,9 +60,9 @@ void abort(void)
__UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(mylock);
/* Unmask SIGABRT to be sure we can get it */
- if (__sigemptyset(&sigs) == 0 && __sigaddset(&sigs, SIGABRT) == 0) {
- sigprocmask(SIG_UNBLOCK, &sigs, (sigset_t *) NULL);
- }
+ __sigemptyset(&sigs);
+ __sigaddset(&sigs, SIGABRT);
+ sigprocmask(SIG_UNBLOCK, &sigs, (sigset_t *) NULL);
while (1) {
/* Try to suicide with a SIGABRT */
@@ -91,9 +91,10 @@ abort_it:
been_there_done_that++;
memset(&act, '\0', sizeof(struct sigaction));
- act.sa_handler = SIG_DFL;
+ if (SIG_DFL) /* if it's constant zero, already done */
+ act.sa_handler = SIG_DFL;
__sigfillset(&act.sa_mask);
- act.sa_flags = 0;
+ /*act.sa_flags = 0; - memset did it */
sigaction(SIGABRT, &act, NULL);
goto abort_it;