signal-utils¶ ↑
Signal
utils provides small command line utilities for working with and debugging signals on Linux.
sigign¶ ↑
sigign SIGNAL[,SIGNAL...] COMMAND
sigign
starts COMMAND with the specified SIGNALs disposition set to SIG_IGN.
sigstat¶ ↑
sigstat PID
sigstat
lists any signals with a non-default disposition for the given process ID. This command requires procfs to be mounted.
sigunmask¶ ↑
sigunmask MASK
sigunmask
takes a signal mask in the form listed in /proc/PID/status
and returns a list of the masked signals by name.
Known Bugs¶ ↑
-
sigign
does not work for SIGPIPE. Ruby’s interpreter changes SIGPIPE’s disposition before exec(). -
sigunmask
andsigstat
does not list the names of real-times signals (>32).