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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-06-16 13:44:03 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-06-22 12:09:52 -0300 |
| commit | 92f7b465101c23e45f66c6ad25ba243df49556a0 (patch) | |
| tree | 8af981c64cf0a77245f7bf1db86af48a44f5ca75 /support/support.h | |
| parent | 52a5fe70a2c77935afe807fb6e904e512ddd894e (diff) | |
| download | glibc-92f7b465101c23e45f66c6ad25ba243df49556a0.zip glibc-92f7b465101c23e45f66c6ad25ba243df49556a0.tar.gz glibc-92f7b465101c23e45f66c6ad25ba243df49556a0.tar.bz2 | |
support: Add support_create_timer
It is a simple wrapper over timer_create, timer_settime, and
sigaction. It will be used to check for large timeout to trigger an
EINTR and to avoid use a large timeout (as for alarm()).
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Diffstat (limited to 'support/support.h')
| -rw-r--r-- | support/support.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/support/support.h b/support/support.h index 874204b..9ec8ecb 100644 --- a/support/support.h +++ b/support/support.h @@ -24,6 +24,7 @@ #define SUPPORT_H #include <stdbool.h> +#include <stdint.h> #include <stddef.h> #include <sys/cdefs.h> /* For mode_t. */ @@ -153,6 +154,16 @@ extern bool support_select_modifies_timeout (void); tv_usec larger than 1000000. */ extern bool support_select_normalizes_timeout (void); +/* Create a timer that trigger after SEC seconds and NSEC nanoseconds. If + REPEAT is true the timer will repeat indefinitely. If CALLBACK is not + NULL, the function will be called when the timer expires; otherwise a + dummy empty function is used instead. + This is implemented with POSIX per-process timer with SIGEV_SIGNAL. */ +timer_t support_create_timer (uint64_t sec, long int nsec, bool repeat, + void (*callback)(int)); +/* Disable the timer TIMER. */ +void support_delete_timer (timer_t timer); + __END_DECLS #endif /* SUPPORT_H */ |