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authorDenis Vlasenko <vda.linux@googlemail.com>2008-12-01 18:41:55 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2008-12-01 18:41:55 +0000
commit513720b73b403c3c9aca3f25c085422f4132c292 (patch)
treed79fe1353bbc081042673bafd494f8a90d94b227 /libc/signal/sighold.c
parent83eb4d5219f920fde59c9edd9204664f0c2f9f36 (diff)
remove checks for "impossible" errors,
clarify uses of unoptimized sigXXX ops (they check signo), use faster sigops where approproate. text data bss dec hex filename - 68 0 0 68 44 libc/signal/sighold.o + 63 0 0 63 3f libc/signal/sighold.o - 114 0 0 114 72 libc/signal/sigintr.o + 110 0 0 110 6e libc/signal/sigintr.o - 113 0 0 113 71 libc/signal/sigpause.o + 108 0 0 108 6c libc/signal/sigpause.o - 68 0 0 68 44 libc/signal/sigrelse.o + 63 0 0 63 3f libc/signal/sigrelse.o
Diffstat (limited to 'libc/signal/sighold.c')
-rw-r--r--libc/signal/sighold.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/libc/signal/sighold.c b/libc/signal/sighold.c
index f8003d60f..fde0a0c2a 100644
--- a/libc/signal/sighold.c
+++ b/libc/signal/sighold.c
@@ -30,10 +30,9 @@ int sighold (int sig)
sigset_t set;
/* Retrieve current signal set. */
- if (sigprocmask (SIG_SETMASK, NULL, &set) < 0)
- return -1;
+ sigprocmask (SIG_SETMASK, NULL, &set); /* can't fail */
- /* Add the specified signal. */
+ /* Bound-check sig, add it to the set. */
if (sigaddset (&set, sig) < 0)
return -1;