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Prefer sigsuspend(2) over pause(2)

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As OpenBSD manual for pause(3) stated, this function is made obsolete by
sigsuspend(2).

We may think it will be removed in future for this *nix.

On linux, this require defining _POSIX_C_SOURCE to 1.
This commit is contained in:
Simon Lieb 2016-10-21 13:39:01 +02:00 committed by Ivan Tham
parent 0af77c1282
commit 22f35d5af4
2 changed files with 3 additions and 2 deletions
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2
config.mk
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@ -16,7 +16,7 @@ INCS+= `pkg-config --cflags libnotify`
LIBS+= `pkg-config --libs libnotify` LIBS+= `pkg-config --libs libnotify`
# flags # flags
CPPFLAGS = -DVERSION=\"${VERSION}\" CPPFLAGS = -DVERSION=\"${VERSION}\" -D_POSIX_C_SOURCE
CFLAGS += -g -std=c99 -pedantic -Wall -Os ${INCS} ${DEFS} ${CPPFLAGS} CFLAGS += -g -std=c99 -pedantic -Wall -Os ${INCS} ${DEFS} ${CPPFLAGS}
LDFLAGS += -g ${LIBS} LDFLAGS += -g ${LIBS}

3
spt.c
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@ -108,6 +108,7 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
sigset_t *emptymask = 0;
suspend = 0; suspend = 0;
ARGBEGIN { ARGBEGIN {
@ -135,7 +136,7 @@ main(int argc, char *argv[])
timecount = 0; timecount = 0;
while (timecount < timers[i].tmr) while (timecount < timers[i].tmr)
if (suspend) if (suspend)
pause(); sigsuspend(emptymask);
else { else {
sleep(1); sleep(1);
timecount++; timecount++;