Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH nolibc 2/2] tools/nolibc: Implement msleep() | Date | Wed, 21 Jul 2021 13:36:19 -0700 |
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From: Mark Brown <broonie@kernel.org>
Allow users to implement shorter delays than a full second by implementing msleep().
Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- tools/include/nolibc/nolibc.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 13c194aeaf3f0..3430667b0d241 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -2243,6 +2243,19 @@ unsigned int sleep(unsigned int seconds) return 0; } +static __attribute__((unused)) +int msleep(unsigned int msecs) +{ + struct timeval my_timeval = { msecs / 1000, (msecs % 1000) * 1000 }; + + if (sys_select(0, 0, 0, 0, &my_timeval) < 0) + return (my_timeval.tv_sec * 1000) + + (my_timeval.tv_usec / 1000) + + !!(my_timeval.tv_usec % 1000); + else + return 0; +} + static __attribute__((unused)) int stat(const char *path, struct stat *buf) { -- 2.31.1.189.g2e36527f23
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