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Author	SHA1	Message	Date
David Aguilar	1c4b660412	cleanups: ensure that git-compat-util.h is included first CodingGuidelines states that the first #include in C files should be git-compat-util.h or another header file that includes it, such as cache.h or builtin.h. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	11 years ago
Jeff King	0ea8039644	t0005: use SIGTERM for sigchain test The signal tests consists of checking that each of our handlers is executed, and that the test program was killed by the final signal. We arbitrarily used SIGINT as the kill signal. However, some platforms (notably Solaris) will default SIGINT to SIG_IGN if there is no controlling terminal. In that case, we don't end up killing the program with the final signal and the test fails. This is a problem since the test script should not depend on outside factors; let's use SIGTERM instead, which should behave consistently. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	16 years ago
Jeff King	4a16d07272	chain kill signals for cleanup functions If a piece of code wanted to do some cleanup before exiting (e.g., cleaning up a lockfile or a tempfile), our usual strategy was to install a signal handler that did something like this: do_cleanup(); /* actual work / signal(signo, SIG_DFL); / restore previous behavior / raise(signo); / deliver signal, killing ourselves */ For a single handler, this works fine. However, if we want to clean up two _different_ things, we run into a problem. The most recently installed handler will run, but when it removes itself as a handler, it doesn't put back the first handler. This patch introduces sigchain, a tiny library for handling a stack of signal handlers. You sigchain_push each handler, and use sigchain_pop to restore whoever was before you in the stack. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	16 years ago

Author

SHA1

Message

Date

David Aguilar

1c4b660412

cleanups: ensure that git-compat-util.h is included first

CodingGuidelines states that the first #include in C files should be
git-compat-util.h or another header file that includes it, such as
cache.h or builtin.h.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

11 years ago

Jeff King

0ea8039644

t0005: use SIGTERM for sigchain test

The signal tests consists of checking that each of our
handlers is executed, and that the test program was killed
by the final signal. We arbitrarily used SIGINT as the kill
signal.

However, some platforms (notably Solaris) will default
SIGINT to SIG_IGN if there is no controlling terminal. In
that case, we don't end up killing the program with the
final signal and the test fails.

This is a problem since the test script should not depend
on outside factors; let's use SIGTERM instead, which should
behave consistently.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

16 years ago

Jeff King

4a16d07272

chain kill signals for cleanup functions

If a piece of code wanted to do some cleanup before exiting
(e.g., cleaning up a lockfile or a tempfile), our usual
strategy was to install a signal handler that did something
like this:

  do_cleanup(); /* actual work */
  signal(signo, SIG_DFL); /* restore previous behavior */
  raise(signo); /* deliver signal, killing ourselves */

For a single handler, this works fine. However, if we want
to clean up two _different_ things, we run into a problem.
The most recently installed handler will run, but when it
removes itself as a handler, it doesn't put back the first
handler.

This patch introduces sigchain, a tiny library for handling
a stack of signal handlers. You sigchain_push each handler,
and use sigchain_pop to restore whoever was before you in
the stack.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

16 years ago

3 Commits (1c9b659d9837fa2bd6ab21edaae94d19c20ac216)