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Re: SIGTTOU old problem
- X-seq: zsh-workers 20888
- From: Peter Stephenson <pws@xxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: Re: SIGTTOU old problem
- Date: Mon, 28 Feb 2005 14:24:59 +0000
- In-reply-to: <200502281413.j1SEDSP1011969@xxxxxxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
- References: <20050228134145.9063.qmail@xxxxxxxxxxxxxxxxx> <200502281413.j1SEDSP1011969@xxxxxxxxxxxxxx>
Peter Stephenson wrote:
> By the way, this will fail if sh happens to be zsh since we don't strip
> the SIG from the signal name, which appears to be optional in other
> shells. (ksh and bash differ in whether the output shows the SIG or not.)
This is easy to fix.
Index: Doc/Zsh/builtins.yo
===================================================================
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/builtins.yo,v
retrieving revision 1.74
diff -u -r1.74 builtins.yo
--- Doc/Zsh/builtins.yo 19 Jan 2005 13:04:09 -0000 1.74
+++ Doc/Zsh/builtins.yo 28 Feb 2005 14:21:20 -0000
@@ -1157,8 +1157,9 @@
item(tt(trap) [ var(arg) [ var(sig) ... ] ])(
var(arg) is a series of commands (usually quoted to protect it from
immediate evaluation by the shell) to be read and executed when the shell
-receives var(sig). Each var(sig) can be given as a number
-or as the name of a signal.
+receives var(sig). Each var(sig) can be given as a number,
+or as the name of a signal either with or without the string tt(SIG)
+in front.
If var(arg) is `tt(-)', then all traps var(sig) are reset to their
default values. If var(arg) is the empty string, then this signal
is ignored by the shell and by the commands it invokes.
Index: Src/jobs.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/jobs.c,v
retrieving revision 1.37
diff -u -r1.37 jobs.c
--- Src/jobs.c 14 Jan 2005 13:05:21 -0000 1.37
+++ Src/jobs.c 28 Feb 2005 14:21:20 -0000
@@ -1874,6 +1874,8 @@
while (*++argv) {
sig = zstrtol(*argv, &signame, 10);
if (signame == *argv) {
+ if (!strncmp(signame, "SIG", 3))
+ signame += 3;
for (sig = 1; sig <= SIGCOUNT; sig++)
if (!cstrpcmp(sigs + sig, &signame))
break;
@@ -1942,7 +1944,8 @@
} else
signame = *argv;
makeuppercase(&signame);
- if (!strncmp(signame, "SIG", 3)) signame+=3;
+ if (!strncmp(signame, "SIG", 3))
+ signame+=3;
/* check for signal matching specified name */
for (sig = 1; sig <= SIGCOUNT; sig++)
@@ -2032,6 +2035,9 @@
return x;
/* search for signal by name */
+ if (!strncmp(s, "SIG", 3))
+ s += 3;
+
for (i = 0; i < VSIGCOUNT; i++)
if (!strcmp(s, sigs[i]))
return i;
--
Peter Stephenson <pws@xxxxxxx> Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK Tel: +44 (0)1223 692070
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