diff options
| -rw-r--r-- | git-compat-util.h | 1 | ||||
| -rw-r--r-- | run-command.c | 11 | ||||
| -rw-r--r-- | usage.c | 20 |
3 files changed, 26 insertions, 6 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index e715285e7..ad4762499 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -327,6 +327,7 @@ extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))) extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); extern void set_error_routine(void (*routine)(const char *err, va_list params)); +extern void set_die_is_recursing_routine(int (*routine)(void)); extern int prefixcmp(const char *str, const char *prefix); extern int suffixcmp(const char *str, const char *suffix); diff --git a/run-command.c b/run-command.c index 765c2ce05..1b32a12a2 100644 --- a/run-command.c +++ b/run-command.c @@ -588,6 +588,7 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const static pthread_t main_thread; static int main_thread_set; static pthread_key_t async_key; +static pthread_key_t async_die_counter; static void *run_thread(void *data) { @@ -614,6 +615,14 @@ static NORETURN void die_async(const char *err, va_list params) exit(128); } + +static int async_die_is_recursing(void) +{ + void *ret = pthread_getspecific(async_die_counter); + pthread_setspecific(async_die_counter, (void *)1); + return ret != NULL; +} + #endif int start_async(struct async *async) @@ -695,7 +704,9 @@ int start_async(struct async *async) main_thread_set = 1; main_thread = pthread_self(); pthread_key_create(&async_key, NULL); + pthread_key_create(&async_die_counter, NULL); set_die_routine(die_async); + set_die_is_recursing_routine(async_die_is_recursing); } if (proc_in >= 0) @@ -6,8 +6,6 @@ #include "git-compat-util.h" #include "cache.h" -static int dying; - void vreportf(const char *prefix, const char *err, va_list params) { char msg[4096]; @@ -49,12 +47,19 @@ static void warn_builtin(const char *warn, va_list params) vreportf("warning: ", warn, params); } +static int die_is_recursing_builtin(void) +{ + static int dying; + return dying++; +} + /* If we are in a dlopen()ed .so write to a global variable would segfault * (ugh), so keep things static. */ static NORETURN_PTR void (*usage_routine)(const char *err, va_list params) = usage_builtin; static NORETURN_PTR void (*die_routine)(const char *err, va_list params) = die_builtin; static void (*error_routine)(const char *err, va_list params) = error_builtin; static void (*warn_routine)(const char *err, va_list params) = warn_builtin; +static int (*die_is_recursing)(void) = die_is_recursing_builtin; void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)) { @@ -66,6 +71,11 @@ void set_error_routine(void (*routine)(const char *err, va_list params)) error_routine = routine; } +void set_die_is_recursing_routine(int (*routine)(void)) +{ + die_is_recursing = routine; +} + void NORETURN usagef(const char *err, ...) { va_list params; @@ -84,11 +94,10 @@ void NORETURN die(const char *err, ...) { va_list params; - if (dying) { + if (die_is_recursing()) { fputs("fatal: recursion detected in die handler\n", stderr); exit(128); } - dying = 1; va_start(params, err); die_routine(err, params); @@ -102,12 +111,11 @@ void NORETURN die_errno(const char *fmt, ...) char str_error[256], *err; int i, j; - if (dying) { + if (die_is_recursing()) { fputs("fatal: recursion detected in die_errno handler\n", stderr); exit(128); } - dying = 1; err = strerror(errno); for (i = j = 0; err[i] && j < sizeof(str_error) - 1; ) { |