74ea5c9574
Dozens of files made use of trace and trace2 functions, without explicitly including trace.h or trace2.h. This made it more difficult to find which files could remove a dependence on cache.h. Make C files explicitly include trace.h or trace2.h if they are using them. Signed-off-by: Elijah Newren <newren@gmail.com> Acked-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
#include "cache.h"
|
|
#include "exec-cmd.h"
|
|
#include "gettext.h"
|
|
#include "attr.h"
|
|
#include "setup.h"
|
|
#include "trace2.h"
|
|
|
|
/*
|
|
* Many parts of Git have subprograms communicate via pipe, expect the
|
|
* upstream of a pipe to die with SIGPIPE when the downstream of a
|
|
* pipe does not need to read all that is written. Some third-party
|
|
* programs that ignore or block SIGPIPE for their own reason forget
|
|
* to restore SIGPIPE handling to the default before spawning Git and
|
|
* break this carefully orchestrated machinery.
|
|
*
|
|
* Restore the way SIGPIPE is handled to default, which is what we
|
|
* expect.
|
|
*/
|
|
static void restore_sigpipe_to_default(void)
|
|
{
|
|
sigset_t unblock;
|
|
|
|
sigemptyset(&unblock);
|
|
sigaddset(&unblock, SIGPIPE);
|
|
sigprocmask(SIG_UNBLOCK, &unblock, NULL);
|
|
signal(SIGPIPE, SIG_DFL);
|
|
}
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
int result;
|
|
struct strbuf tmp = STRBUF_INIT;
|
|
|
|
trace2_initialize_clock();
|
|
|
|
/*
|
|
* Always open file descriptors 0/1/2 to avoid clobbering files
|
|
* in die(). It also avoids messing up when the pipes are dup'ed
|
|
* onto stdin/stdout/stderr in the child processes we spawn.
|
|
*/
|
|
sanitize_stdfds();
|
|
restore_sigpipe_to_default();
|
|
|
|
git_resolve_executable_dir(argv[0]);
|
|
|
|
setlocale(LC_CTYPE, "");
|
|
git_setup_gettext();
|
|
|
|
initialize_the_repository();
|
|
|
|
attr_start();
|
|
|
|
trace2_initialize();
|
|
trace2_cmd_start(argv);
|
|
trace2_collect_process_info(TRACE2_PROCESS_INFO_STARTUP);
|
|
|
|
if (!strbuf_getcwd(&tmp))
|
|
tmp_original_cwd = strbuf_detach(&tmp, NULL);
|
|
|
|
result = cmd_main(argc, argv);
|
|
|
|
/* Not exit(3), but a wrapper calling our common_exit() */
|
|
exit(result);
|
|
}
|
|
|
|
static void check_bug_if_BUG(void)
|
|
{
|
|
if (!bug_called_must_BUG)
|
|
return;
|
|
BUG("on exit(): had bug() call(s) in this process without explicit BUG_if_bug()");
|
|
}
|
|
|
|
/* We wrap exit() to call common_exit() in git-compat-util.h */
|
|
int common_exit(const char *file, int line, int code)
|
|
{
|
|
/*
|
|
* For non-POSIX systems: Take the lowest 8 bits of the "code"
|
|
* to e.g. turn -1 into 255. On a POSIX system this is
|
|
* redundant, see exit(3) and wait(2), but as it doesn't harm
|
|
* anything there we don't need to guard this with an "ifdef".
|
|
*/
|
|
code &= 0xff;
|
|
|
|
check_bug_if_BUG();
|
|
trace2_cmd_exit_fl(file, line, code);
|
|
|
|
return code;
|
|
}
|