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debloat: use __syscall instead of syscall where possible

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don't waste time (and significant code size due to function call
overhead!) setting errno when the result of a syscall does not matter
or when it can't fail.
This commit is contained in:
Rich Felker
2011-04-17 16:32:15 -04:00
parent 09dae2b7b6
commit eb0e8fa0b1
7 changed files with 8 additions and 8 deletions
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2
src/thread/pthread_mutex_trylock.c
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@ -14,7 +14,7 @@ int pthread_mutex_trylock(pthread_mutex_t *m)
if (m->_m_type >= 4) {
if (!self->robust_list.off)
syscall(SYS_set_robust_list,
__syscall(SYS_set_robust_list,
&self->robust_list, 3*sizeof(long));
self->robust_list.off = (char*)&m->_m_lock-(char *)&m->_m_next;
self->robust_list.pending = &m->_m_next;