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Add cs_log_{lock,unlock}

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In implementatiosn that have preemptive scheduelrs these can be implemented
to ensure logging from different threads is properly serialized.
This commit is contained in:
Deomid Ryabkov 2020-08-28 20:29:13 +01:00
parent 86f391c701
commit a4b6d58b24
2 changed files with 22 additions and 0 deletions
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11
mongoose.c
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@ -578,6 +578,15 @@ double cs_log_ts WEAK;
enum cs_log_level cs_log_cur_msg_level WEAK = LL_NONE;
/* In implementations that require locking, these can be overridden. */
void cs_log_lock(void) WEAK;
void cs_log_lock(void) {
}
void cs_log_unlock(void) WEAK;
void cs_log_unlock(void) {
}
void cs_log_set_file_level(const char *file_level) {
char *fl = s_file_level;
if (file_level != NULL) {
@ -631,6 +640,7 @@ int cs_log_print_prefix(enum cs_log_level level, const char *file, int ln) {
if (level > pll) return 0;
}
cs_log_lock();
if (cs_log_file == NULL) cs_log_file = stderr;
cs_log_cur_msg_level = level;
fwrite(prefix, 1, sizeof(prefix), cs_log_file);
@ -653,6 +663,7 @@ void cs_log_printf(const char *fmt, ...) {
fputc('\n', cs_log_file);
fflush(cs_log_file);
cs_log_cur_msg_level = LL_NONE;
cs_log_unlock();
}
void cs_log_set_file(FILE *file) WEAK;

11
src/common/cs_dbg.c
View File

@ -28,6 +28,15 @@ double cs_log_ts WEAK;
enum cs_log_level cs_log_cur_msg_level WEAK = LL_NONE;
/* In implementations that require locking, these can be overridden. */
void cs_log_lock(void) WEAK;
void cs_log_lock(void) {
}
void cs_log_unlock(void) WEAK;
void cs_log_unlock(void) {
}
void cs_log_set_file_level(const char *file_level) {
char *fl = s_file_level;
if (file_level != NULL) {
@ -81,6 +90,7 @@ int cs_log_print_prefix(enum cs_log_level level, const char *file, int ln) {
if (level > pll) return 0;
}
cs_log_lock();
if (cs_log_file == NULL) cs_log_file = stderr;
cs_log_cur_msg_level = level;
fwrite(prefix, 1, sizeof(prefix), cs_log_file);
@ -103,6 +113,7 @@ void cs_log_printf(const char *fmt, ...) {
fputc('\n', cs_log_file);
fflush(cs_log_file);
cs_log_cur_msg_level = LL_NONE;
cs_log_unlock();
}
void cs_log_set_file(FILE *file) WEAK;