diff options
Diffstat (limited to 'libc/sysdeps/linux/common/setrlimit.c')
| -rw-r--r-- | libc/sysdeps/linux/common/setrlimit.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/libc/sysdeps/linux/common/setrlimit.c b/libc/sysdeps/linux/common/setrlimit.c index 8381afc61..9c6707235 100644 --- a/libc/sysdeps/linux/common/setrlimit.c +++ b/libc/sysdeps/linux/common/setrlimit.c @@ -23,21 +23,41 @@ int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) { return __syscall_usetrlimit(resource, rlimits); } +libc_hidden_def(setrlimit) -#else +#elif defined(__NR_prlimit64) -# if !defined(__UCLIBC_HANDLE_OLDER_RLIMIT__) +/* Use prlimit64 if present, the prlimit64 syscall is free from a back + compatibility stuff for setrlimit */ -# if defined(__NR_prlimit64) + # if __WORDSIZE == 32 && !defined(__USE_FILE_OFFSET64) +/* If struct rlimit has 64-bit fields (if __WORDSIZE == 64 or __USE_FILE_OFFSET64 + is defined), then use setrlimit as an alias to setrlimit64, see setrlimit64.c */ int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) { - return INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL); + struct rlimit64 rlimits64; + + if (rlimits->rlim_cur == RLIM_INFINITY) + rlimits64.rlim_cur = RLIM64_INFINITY; + else + rlimits64.rlim_cur = rlimits->rlim_cur; + if (rlimits->rlim_max == RLIM_INFINITY) + rlimits64.rlim_max = RLIM64_INFINITY; + else + rlimits64.rlim_max = rlimits->rlim_max; + + return INLINE_SYSCALL (prlimit64, 4, 0, resource, &rlimits64, NULL); } -# else +libc_hidden_def(setrlimit) +# endif + +#else + +# if !defined(__UCLIBC_HANDLE_OLDER_RLIMIT__) + /* We don't need to wrap setrlimit() */ _syscall2(int, setrlimit, __rlimit_resource_t, resource, const struct rlimit *, rlim) -# endif # else @@ -66,16 +86,9 @@ int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) RLIM_INFINITY >> 1); rlimits_small.rlim_max = MIN((unsigned long int) rlimits->rlim_max, RLIM_INFINITY >> 1); -# if defined(__NR_prlimit64) - return INLINE_SYSCALL (prlimit64, 4, 0, resource, &rlimits_small, NULL); -# else return __syscall_setrlimit(resource, &rlimits_small); -# endif } # endif -#endif -libc_hidden_def(setrlimit) -#if __WORDSIZE == 64 -strong_alias_untyped(setrlimit, setrlimit64) +libc_hidden_def(setrlimit) #endif |