Question

the third argument to sa_sigaction

Asked by: yzach

in sigaction syscall, if I set the SA_SIGINFO flag, the signal handler's prototype is:
 void sa_sigaction(int, siginfo_t *, void *);

the first arg is the sig no
the second is some info about the signal

what is the third arg??

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Asked On
2001-03-07 at 22:53:04ID20088506
Tags

sa_sigaction

,

third

Topic

Linux Programming

Participating Experts
1
Points
50
Comments
1

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Answers

 

by: graham_kPosted on 2001-03-08 at 00:22:15ID: 5910161

hmm, that doesn't seem to agree with the man pages ... http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?sigaction+2

ahah, but see ... http://www.datafocus.com/docs/man3/sigaction.3.asp  " If the third argument is not NULL, it points to a ucontext_t structure containing the receiving process's context when the signal was delivered."

20120131-EE-VQP-002

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