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Update notes on signal handlers. Commentary only, no functional change.

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modified:   src/timer.c
This commit is contained in:
Nick Briggs 2020-08-17 13:40:18 -07:00
parent f4024ab126
commit 7b149c6316
1 changed files with 21 additions and 0 deletions
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21
src/timer.c
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@ -986,7 +986,28 @@ void int_file_init() {
/* 2017-06-22 NBriggs -- it's not clear that this definition has the correct
parameters for any known signal handler
Superceded by sigaction on FreeBSD, Solaris 11, Linux
Unavailable on macOS
SVr4, POSIX.1-2001, POSIX.1-2008 (marked obsolete; use sigaction)
void (*)(int) sigset(int, void (*disp)(int));
OK on FreeBSD, Solaris 11, macOS, Linux
struct sigaction {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t *, void *);
int sa_flags; see signal options below
sigset_t sa_mask; signal mask to apply
};
int
sigaction(int sig, const struct sigaction * restrict act,
struct sigaction * restrict oact);
*/
void panicuraid(int sig, int code, struct sigcontext *scp, void *addr)
{
static char errormsg[200];