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| author |   Willy Tarreau <w@1wt.eu> | 2022-02-07 17:23:50 +0100 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2022-04-20 17:05:45 -0700 |
| commit | 180a9797b03472e6881066d9752f2f0d81e1880f (patch) | |
| tree | 9af02bdf324e48c6b789cea1b896f9b0f0e2346e | |
| parent | tools/nolibc/unistd: extract msleep(), sleep(), tcsetpgrp() to unistd.h (diff) | |
| download | linux-dev-180a9797b03472e6881066d9752f2f0d81e1880f.tar.xz linux-dev-180a9797b03472e6881066d9752f2f0d81e1880f.zip | |
tools/nolibc/unistd: add usleep()
This call is trivial to implement based on select() to complete sleep()
and msleep(), let's add it.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
| -rw-r--r-- | tools/include/nolibc/unistd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/include/nolibc/unistd.h b/tools/include/nolibc/unistd.h index 87b448ff2191..1c25e20ee360 100644 --- a/tools/include/nolibc/unistd.h +++ b/tools/include/nolibc/unistd.h @@ -38,6 +38,14 @@ unsigned int sleep(unsigned int seconds) } static __attribute__((unused)) +int usleep(unsigned int usecs) +{ + struct timeval my_timeval = { usecs / 1000000, usecs % 1000000 }; + + return sys_select(0, 0, 0, 0, &my_timeval); +} + +static __attribute__((unused)) int tcsetpgrp(int fd, pid_t pid) { return ioctl(fd, TIOCSPGRP, &pid); |