C logging: make pthread use optional

There is no need for threading for makesrna/makesdna,
disable it to avoid hassles linking build time utilities.
This commit is contained in:
Campbell Barton 2019-02-22 19:36:36 +11:00
parent 4da53fc3e3
commit b6f8afc13a
2 changed files with 24 additions and 2 deletions

View File

@ -32,4 +32,7 @@ set(SRC
CLG_log.h
)
# Disabled for makesdna/makesrna.
add_definitions(-DWITH_CLOG_PTHREADS)
blender_add_lib(bf_intern_clog "${SRC}" "${INC}" "${INC_SYS}")

View File

@ -23,7 +23,13 @@
#include <string.h>
#include <stdint.h>
#include <assert.h>
#include <pthread.h>
/* Disable for small single threaded programs
* to avoid having to link with pthreads. */
#ifdef WITH_CLOG_PTHREADS
# include <pthread.h>
# include "atomic_ops.h"
#endif
/* For 'isatty' to check for color. */
#if defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__)
@ -40,7 +46,6 @@
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include "atomic_ops.h"
/* Only other dependency (could use regular malloc too). */
#include "MEM_guardedalloc.h"
@ -71,7 +76,9 @@ typedef struct CLG_IDFilter {
typedef struct CLogContext {
/** Single linked list of types. */
CLG_LogType *types;
#ifdef WITH_CLOG_PTHREADS
pthread_mutex_t types_lock;
#endif
/* exclude, include filters. */
CLG_IDFilter *filters[2];
@ -578,7 +585,9 @@ static void CLG_ctx_level_set(CLogContext *ctx, int level)
static CLogContext *CLG_ctx_init(void)
{
CLogContext *ctx = MEM_callocN(sizeof(*ctx), __func__);
#ifdef WITH_CLOG_PTHREADS
pthread_mutex_init(&ctx->types_lock, NULL);
#endif
ctx->use_color = true;
ctx->default_type.level = 1;
CLG_ctx_output_set(ctx, stdout);
@ -601,7 +610,9 @@ static void CLG_ctx_free(CLogContext *ctx)
MEM_freeN(item);
}
}
#ifdef WITH_CLOG_PTHREADS
pthread_mutex_destroy(&ctx->types_lock);
#endif
MEM_freeN(ctx);
}
@ -678,16 +689,24 @@ void CLG_level_set(int level)
void CLG_logref_init(CLG_LogRef *clg_ref)
{
#ifdef WITH_CLOG_PTHREADS
/* Only runs once when initializing a static type in most cases. */
pthread_mutex_lock(&g_ctx->types_lock);
#endif
if (clg_ref->type == NULL) {
CLG_LogType *clg_ty = clg_ctx_type_find_by_name(g_ctx, clg_ref->identifier);
if (clg_ty == NULL) {
clg_ty = clg_ctx_type_register(g_ctx, clg_ref->identifier);
}
#ifdef WITH_CLOG_PTHREADS
atomic_cas_ptr((void **)&clg_ref->type, clg_ref->type, clg_ty);
#else
clg_ref->type = clg_ty;
#endif
}
#ifdef WITH_CLOG_PTHREADS
pthread_mutex_unlock(&g_ctx->types_lock);
#endif
}
/** \} */