diff options
author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
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committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/time/clock_getres.c |
Initial version
Diffstat (limited to 'src/time/clock_getres.c')
-rw-r--r-- | src/time/clock_getres.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/time/clock_getres.c b/src/time/clock_getres.c new file mode 100644 index 0000000..81c6703 --- /dev/null +++ b/src/time/clock_getres.c @@ -0,0 +1,21 @@ +#include <time.h> +#include "syscall.h" + +int clock_getres(clockid_t clk, struct timespec *ts) +{ +#ifdef SYS_clock_getres_time64 + /* On a 32-bit arch, use the old syscall if it exists. */ + if (SYS_clock_getres != SYS_clock_getres_time64) { + long ts32[2]; + int r = __syscall(SYS_clock_getres, clk, ts32); + if (!r && ts) { + ts->tv_sec = ts32[0]; + ts->tv_nsec = ts32[1]; + } + return __syscall_ret(r); + } +#endif + /* If reaching this point, it's a 64-bit arch or time64-only + * 32-bit arch and we can get result directly into timespec. */ + return syscall(SYS_clock_getres, clk, ts); +} |