update signal.h to be C90 compatable
sigismember, sigaddset, and sigdelset had mixed code and declarations
which are not allowed in C90 and before.
Change-Id: I662af944fc1489e34bed228ce592e41f50d00e17
Signed-off-by: Erik Gilling <konkers@android.com>
diff --git a/libc/include/signal.h b/libc/include/signal.h
index 8c9b170..15d2d3a 100644
--- a/libc/include/signal.h
+++ b/libc/include/signal.h
@@ -59,32 +59,32 @@
static __inline__ int sigismember(const sigset_t* set, int signum) {
int bit = signum - 1; // Signal numbers start at 1, but bit positions start at 0.
+ const unsigned long* local_set = (const unsigned long*) set;
if (set == NULL || bit < 0 || bit >= (int) (8*sizeof(sigset_t))) {
errno = EINVAL;
return -1;
}
- const unsigned long* local_set = (const unsigned long*) set;
return (int) ((local_set[bit / LONG_BIT] >> (bit % LONG_BIT)) & 1);
}
static __inline__ int sigaddset(sigset_t* set, int signum) {
int bit = signum - 1; // Signal numbers start at 1, but bit positions start at 0.
+ unsigned long* local_set = (unsigned long*) set;
if (set == NULL || bit < 0 || bit >= (int) (8*sizeof(sigset_t))) {
errno = EINVAL;
return -1;
}
- unsigned long* local_set = (unsigned long*) set;
local_set[bit / LONG_BIT] |= 1UL << (bit % LONG_BIT);
return 0;
}
static __inline__ int sigdelset(sigset_t* set, int signum) {
int bit = signum - 1; // Signal numbers start at 1, but bit positions start at 0.
+ unsigned long* local_set = (unsigned long*) set;
if (set == NULL || bit < 0 || bit >= (int) (8*sizeof(sigset_t))) {
errno = EINVAL;
return -1;
}
- unsigned long* local_set = (unsigned long*) set;
local_set[bit / LONG_BIT] &= ~(1UL << (bit % LONG_BIT));
return 0;
}
