Delete a posix per-process timer
#include <time.h> int timer_delete(timer_t timerid);
Link with -lrt.
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
timer_delete(): _POSIX_C_SOURCE >= 199309L
timer_delete() deletes the timer whose ID is given in timerid. If the timer was armed at the time of this call, it is disarmed before being deleted. The treatment of any pending signal generated by the deleted timer is unspecified.
On success, timer_delete() returns 0. On failure, -1 is returned, and errno is set to indicate the error.
timerid is not a valid timer ID.
This system call is available since Linux 2.6.
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