diff options
Diffstat (limited to 'lib/libc/sys/getitimer.2')
| -rw-r--r-- | lib/libc/sys/getitimer.2 | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2 index 9949983..babcd3b 100644 --- a/lib/libc/sys/getitimer.2 +++ b/lib/libc/sys/getitimer.2 @@ -102,7 +102,8 @@ system clock are rounded up to this resolution .Pp The .Dv ITIMER_REAL -timer decrements in real time. A +timer decrements in real time. +A .Dv SIGALRM signal is delivered when this timer expires. @@ -110,7 +111,8 @@ delivered when this timer expires. The .Dv ITIMER_VIRTUAL timer decrements in process virtual time. -It runs only when the process is executing. A +It runs only when the process is executing. +A .Dv SIGVTALRM signal is delivered when it expires. @@ -118,7 +120,8 @@ is delivered when it expires. The .Dv ITIMER_PROF timer decrements both in process virtual time and -when the system is running on behalf of the process. It is designed +when the system is running on behalf of the process. +It is designed to be used by interpreters in statistically profiling the execution of interpreted programs. Each time the @@ -126,7 +129,8 @@ Each time the timer expires, the .Dv SIGPROF signal is -delivered. Because this signal may interrupt in-progress +delivered. +Because this signal may interrupt in-progress system calls, programs using this timer must be prepared to restart interrupted system calls. .Pp |
