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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
| commit | 8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch) | |
| tree | df55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/linux/prlimit.c | |
| parent | Initial commit. (diff) | |
| download | wasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz wasi-libc-upstream/0.0_git20221206.8b7148f.zip | |
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/linux/prlimit.c')
| -rw-r--r-- | libc-top-half/musl/src/linux/prlimit.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/linux/prlimit.c b/libc-top-half/musl/src/linux/prlimit.c new file mode 100644 index 0000000..3df9ffb --- /dev/null +++ b/libc-top-half/musl/src/linux/prlimit.c @@ -0,0 +1,26 @@ +#define _GNU_SOURCE +#include <sys/resource.h> +#include "syscall.h" + +#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0) + +int prlimit(pid_t pid, int resource, const struct rlimit *new_limit, struct rlimit *old_limit) +{ + struct rlimit tmp; + int r; + if (new_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) { + tmp = *new_limit; + FIX(tmp.rlim_cur); + FIX(tmp.rlim_max); + new_limit = &tmp; + } + r = syscall(SYS_prlimit64, pid, resource, new_limit, old_limit); + if (!r && old_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) { + FIX(old_limit->rlim_cur); + FIX(old_limit->rlim_max); + } + return r; +} + +#undef prlimit64 +weak_alias(prlimit, prlimit64); |