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| -rw-r--r-- | man2/setresuid.2 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/man2/setresuid.2 b/man2/setresuid.2 index 0eb936c533..d93240e1bc 100644 --- a/man2/setresuid.2 +++ b/man2/setresuid.2 @@ -87,6 +87,22 @@ they also appear on HP-UX and some of the BSDs. Under HP-UX and FreeBSD, the prototype is found in .IR <unistd.h> . Under Linux the prototype is provided by glibc since version 2.3.2. + +The original Linux +.BR setresuid () +and +.BR setresgid () +system calls supported only 16-bit user and group IDs. +Subsequently, Linux 2.4 added +.BR setresuid32 () +and +.BR setresgid32 (), +supporting 32-bit IDs. +The glibc +.BR setresuid () +and +.BR setresgid () +wrapper functions transparently deal with the variations across kernel versions. .SH "SEE ALSO" .BR getresuid (2), .BR getuid (2), |