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| author | Alexey Kodanev <aleksei.kodanev@bell-sw.com> | 2021-06-29 16:31:30 +0300 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2022-03-08 17:15:14 -0500 |
| commit | 3aba2150d0efc80df30d7fc6c22d6041e14d445e (patch) | |
| tree | 3a419d0ed075b26521d99b34356fa12c7d660fca /src | |
| parent | 74a28a8af21977ebbc2945beb879f1b9b6ff13ba (diff) | |
| download | musl-3aba2150d0efc80df30d7fc6c22d6041e14d445e.tar.gz musl-3aba2150d0efc80df30d7fc6c22d6041e14d445e.tar.xz musl-3aba2150d0efc80df30d7fc6c22d6041e14d445e.zip | |
nice: return EPERM instead of EACCES
To comply with POSIX, change errno from EACCES to EPERM when the caller did not have the required privilege.
Diffstat (limited to 'src')
| -rw-r--r-- | src/unistd/nice.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/unistd/nice.c b/src/unistd/nice.c index 6c25c8c3..1c2295ff 100644 --- a/src/unistd/nice.c +++ b/src/unistd/nice.c @@ -1,4 +1,5 @@ #include <unistd.h> +#include <errno.h> #include <sys/resource.h> #include <limits.h> #include "syscall.h" @@ -12,5 +13,11 @@ int nice(int inc) prio += getpriority(PRIO_PROCESS, 0); if (prio > NZERO-1) prio = NZERO-1; if (prio < -NZERO) prio = -NZERO; - return setpriority(PRIO_PROCESS, 0, prio) ? -1 : prio; + if (setpriority(PRIO_PROCESS, 0, prio)) { + if (errno == EACCES) + errno = EPERM; + return -1; + } else { + return prio; + } } |