diff options
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); |