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| author | Rich Felker <dalias@aerifal.cx> | 2012-06-20 22:16:47 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-06-20 22:16:47 -0400 |
| commit | 4e8b0938d90793d6e1e200d6b25e6581b72bd4d0 (patch) | |
| tree | cb0255413023716592eebc9f7978d7c1a1b00179 /arch | |
| parent | e5fb6820a42a1f675ba09c15273953e1ace65777 (diff) | |
| download | musl-4e8b0938d90793d6e1e200d6b25e6581b72bd4d0.tar.gz musl-4e8b0938d90793d6e1e200d6b25e6581b72bd4d0.tar.xz musl-4e8b0938d90793d6e1e200d6b25e6581b72bd4d0.zip | |
proper error handling for fcntl F_GETOWN on modern kernels
on old kernels, there's no way to detect errors; we must assume negative syscall return values are pgrp ids. but if the F_GETOWN_EX fcntl works, we can get a reliable answer.
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/bits/fcntl.h | 3 | ||||
| -rw-r--r-- | arch/i386/bits/fcntl.h | 3 | ||||
| -rw-r--r-- | arch/x86_64/bits/fcntl.h | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/bits/fcntl.h b/arch/arm/bits/fcntl.h index fc65ebcc..9595f9ca 100644 --- a/arch/arm/bits/fcntl.h +++ b/arch/arm/bits/fcntl.h @@ -31,3 +31,6 @@ #define F_GETLK 12 #define F_SETLK 13 #define F_SETLKW 14 + +#define F_SETOWN_EX 15 +#define F_GETOWN_EX 16 diff --git a/arch/i386/bits/fcntl.h b/arch/i386/bits/fcntl.h index 7f09b95c..69f3a8f5 100644 --- a/arch/i386/bits/fcntl.h +++ b/arch/i386/bits/fcntl.h @@ -31,3 +31,6 @@ #define F_GETLK 12 #define F_SETLK 13 #define F_SETLKW 14 + +#define F_SETOWN_EX 15 +#define F_GETOWN_EX 16 diff --git a/arch/x86_64/bits/fcntl.h b/arch/x86_64/bits/fcntl.h index 7b300210..9e07229e 100644 --- a/arch/x86_64/bits/fcntl.h +++ b/arch/x86_64/bits/fcntl.h @@ -31,3 +31,6 @@ #define F_GETLK 5 #define F_SETLK 6 #define F_SETLKW 7 + +#define F_SETOWN_EX 15 +#define F_GETOWN_EX 16 |