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Code Issues Releases Activity

Better select(2) usage

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This commit is contained in:
Alexey I. Froloff 2012-08-14 17:04:18 +04:00 committed by Carlos R. Mafra
parent 0c2fd260dd
commit 18524ce06f
1 changed files with 8 additions and 2 deletions
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10
wmMatrix/xutils.c
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@ -371,9 +371,12 @@ unsigned long getBlendedColor(char *ColorName, float fac, int red, int grn, int
void uusleep(unsigned long usecs) { void uusleep(unsigned long usecs) {
struct timeval tv; struct timeval tv;
fd_set fds;
tv.tv_sec = usecs / 1000000UL; tv.tv_sec = usecs / 1000000UL;
tv.tv_usec = usecs % 1000000UL; tv.tv_usec = usecs % 1000000UL;
select(1, NULL, NULL, NULL, &tv); FD_ZERO(&fds);
FD_SET(x_fd, &fds);
select(x_fd + 1, &fds, NULL, NULL, &tv);
} }
@ -385,9 +388,12 @@ void uusleep(unsigned long usecs) {
void short_uusleep(unsigned long usecs) { void short_uusleep(unsigned long usecs) {
struct timeval tv; struct timeval tv;
fd_set fds;
tv.tv_sec = 0; tv.tv_sec = 0;
tv.tv_usec = usecs; tv.tv_usec = usecs;
select(1, NULL, NULL, NULL, &tv); FD_ZERO(&fds);
FD_SET(x_fd, &fds);
select(x_fd + 1, &fds, NULL, NULL, &tv);
} }