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mingw.h: add dummy functions for sigset_t operations

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Windows does not have POSIX-like signals, and so we ignore all
operations on the non-existent signal mask machinery.

Do not turn sigemptyset into a function, but leave it a macro that
erases the code in the argument because it is used to set sa_mask
of a struct sigaction, but our dummy in mingw.h does not have that
member.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Sixt 2014-09-22 20:24:34 +02:00 committed by Junio C Hamano
parent 7559a1be8a
commit 4e6d207c45
2 changed files with 8 additions and 3 deletions
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7
compat/mingw.h
View File

@ -69,7 +69,6 @@ struct sigaction {
sig_handler_t sa_handler;
unsigned sa_flags;
};
#define sigemptyset(x) (void)0
#define SA_RESTART 0
struct itimerval {
@ -116,6 +115,12 @@ static inline int fcntl(int fd, int cmd, ...)
}
/* bash cannot reliably detect negative return codes as failure */
#define exit(code) exit((code) & 0xff)
#define sigemptyset(x) (void)0
static inline int sigaddset(sigset_t *set, int signum)
{ return 0; }
#define SIG_UNBLOCK 0
static inline int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
{ return 0; }
/*
* simple adaptors

4
t/t0005-signals.sh
View File

@ -39,12 +39,12 @@ test_expect_success 'create blob' '
git add file
'
test_expect_success 'a constipated git dies with SIGPIPE' '
test_expect_success !MINGW 'a constipated git dies with SIGPIPE' '
OUT=$( ((large_git; echo $? 1>&3) | :) 3>&1 )
test "$OUT" -eq 141
'
test_expect_success 'a constipated git dies with SIGPIPE even if parent ignores it' '
test_expect_success !MINGW 'a constipated git dies with SIGPIPE even if parent ignores it' '
OUT=$( ((trap "" PIPE; large_git; echo $? 1>&3) | :) 3>&1 )
test "$OUT" -eq 141
'