From 8c1ab65c0f548d20b7f177bdb736daaf603340e1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 15:54:38 +0200 Subject: Adding upstream version 0.0~git20221206.8b7148f. Signed-off-by: Daniel Baumann --- libc-top-half/musl/src/signal/setitimer.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 libc-top-half/musl/src/signal/setitimer.c (limited to 'libc-top-half/musl/src/signal/setitimer.c') diff --git a/libc-top-half/musl/src/signal/setitimer.c b/libc-top-half/musl/src/signal/setitimer.c new file mode 100644 index 0000000..0dfbeb4 --- /dev/null +++ b/libc-top-half/musl/src/signal/setitimer.c @@ -0,0 +1,26 @@ +#include +#include +#include "syscall.h" + +#define IS32BIT(x) !((x)+0x80000000ULL>>32) + +int setitimer(int which, const struct itimerval *restrict new, struct itimerval *restrict old) +{ + if (sizeof(time_t) > sizeof(long)) { + time_t is = new->it_interval.tv_sec, vs = new->it_value.tv_sec; + long ius = new->it_interval.tv_usec, vus = new->it_value.tv_usec; + if (!IS32BIT(is) || !IS32BIT(vs)) + return __syscall_ret(-ENOTSUP); + long old32[4]; + int r = __syscall(SYS_setitimer, which, + ((long[]){is, ius, vs, vus}), old32); + if (!r && old) { + old->it_interval.tv_sec = old32[0]; + old->it_interval.tv_usec = old32[1]; + old->it_value.tv_sec = old32[2]; + old->it_value.tv_usec = old32[3]; + } + return __syscall_ret(r); + } + return syscall(SYS_setitimer, which, new, old); +} -- cgit v1.2.3