From 7357e8836f7c742602f59cc8f2b97382634c59b8 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 29 Nov 2008 16:46:07 +0000 Subject: 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 --- libc/sysdeps/linux/alpha/sigprocmask.c | 5 ++--- libc/sysdeps/linux/common/ssp.c | 7 ++++--- 2 files changed, 6 insertions(+), 6 deletions(-) (limited to 'libc/sysdeps/linux') diff --git a/libc/sysdeps/linux/alpha/sigprocmask.c b/libc/sysdeps/linux/alpha/sigprocmask.c index f5e3c8d91..5728418b5 100644 --- a/libc/sysdeps/linux/alpha/sigprocmask.c +++ b/libc/sysdeps/linux/alpha/sigprocmask.c @@ -51,10 +51,9 @@ sigprocmask (int how, const sigset_t *set, sigset_t *oset) if (oset) { + if (_SIGSET_NWORDS > 1) + memset(oset, 0, sizeof(*oset)); oset->__val[0] = result; - result = _SIGSET_NWORDS; - while (--result > 0) - oset->__val[result] = 0; } return 0; } diff --git a/libc/sysdeps/linux/common/ssp.c b/libc/sysdeps/linux/common/ssp.c index 73d7113b8..c244c6220 100644 --- a/libc/sysdeps/linux/common/ssp.c +++ b/libc/sysdeps/linux/common/ssp.c @@ -57,10 +57,11 @@ static void block_signals(void) sigprocmask(SIG_BLOCK, &mask, NULL); /* except SSP_SIGTYPE */ /* Make the default handler associated with the signal handler */ - memset(&sa, 0, sizeof(struct sigaction)); + memset(&sa, 0, sizeof(sa)); sigfillset(&sa.sa_mask); /* Block all signals */ - sa.sa_flags = 0; - sa.sa_handler = SIG_DFL; + /* sa.sa_flags = 0; - memset did it */ + if (SIG_DFL) /* if it's constant zero, it's already done */ + sa.sa_handler = SIG_DFL; sigaction(SSP_SIGTYPE, &sa, NULL); } -- cgit v1.2.3