diff options
Diffstat (limited to 'man2/sigaltstack.2')
| -rw-r--r-- | man2/sigaltstack.2 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/man2/sigaltstack.2 b/man2/sigaltstack.2 index 8f7cf2223b..f93c815560 100644 --- a/man2/sigaltstack.2 +++ b/man2/sigaltstack.2 @@ -47,7 +47,7 @@ Use \fBsigaltstack\fP() to inform the system of the existence and location of the alternate signal stack. .TP 3. -When establishing a signal handler using \fBsigaction\fP(), +When establishing a signal handler using \fBsigaction\fP(2), inform the system that the signal handler should be executed on the alternate signal stack by specifying the \fBSA_ONSTACK\fP flag. @@ -160,7 +160,8 @@ In these circumstances the only way to catch this signal is on an alternate signal stack. .P On most hardware architectures supported by Linux, stacks grow -downwards. \fBsigaltstack\fP() automatically takes account +downwards. +\fBsigaltstack\fP() automatically takes account of the direction of stack growth. .P Functions called from a signal handler executing on an alternate @@ -172,7 +173,7 @@ automatically extend the alternate signal stack. Exceeding the allocated size of the alternate signal stack will lead to unpredictable results. .P -A successful call to \fBexecve\fP() removes any existing alternate +A successful call to \fBexecve\fP(2) removes any existing alternate signal stack. .P \fBsigaltstack\fP() supersedes the older \fBsigstack\fP() call. |