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-rw-r--r--accel/tcg/cpu-exec.c2
-rw-r--r--accel/tcg/translate-all.c2
-rw-r--r--accel/tcg/translator.c2
-rw-r--r--cpu.c2
-rw-r--r--hw/net/can/can_sja1000.c2
-rw-r--r--include/exec/log.h2
-rw-r--r--include/qemu/log.h2
-rw-r--r--net/can/can_socketcan.c2
-rw-r--r--target/i386/tcg/translate.c2
-rw-r--r--tcg/tcg.c8
-rw-r--r--tests/unit/test-logging.c2
-rw-r--r--util/log.c6
12 files changed, 18 insertions, 16 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 083ada76b1..f61b056571 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -214,7 +214,7 @@ static inline void log_cpu_exec(target_ulong pc, CPUState *cpu,
#if defined(DEBUG_DISAS)
if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
int flags = 0;
if (qemu_loglevel_mask(CPU_LOG_TB_FPU)) {
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index a6e03c1e50..5937d6b7b2 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1527,7 +1527,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM) &&
qemu_log_in_addr_range(tb->pc)) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
int code_size, data_size;
const tcg_target_ulong *rx_data_gen_ptr;
size_t chunk_start;
diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c
index f06c314266..1506755f3c 100644
--- a/accel/tcg/translator.c
+++ b/accel/tcg/translator.c
@@ -139,7 +139,7 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
&& qemu_log_in_addr_range(db->pc_first)) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("----------------\n");
ops->disas_log(db, cpu);
qemu_log("\n");
diff --git a/cpu.c b/cpu.c
index 0fef70e18e..9db144761d 100644
--- a/cpu.c
+++ b/cpu.c
@@ -399,7 +399,7 @@ void cpu_abort(CPUState *cpu, const char *fmt, ...)
fprintf(stderr, "\n");
cpu_dump_state(cpu, stderr, CPU_DUMP_FPU | CPU_DUMP_CCOP);
if (qemu_log_separate()) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("qemu: fatal: ");
qemu_log_vprintf(fmt, ap2);
qemu_log("\n");
diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c
index 3ba803e947..300313dfb8 100644
--- a/hw/net/can/can_sja1000.c
+++ b/hw/net/can/can_sja1000.c
@@ -247,7 +247,7 @@ int can_sja_accept_filter(CanSJA1000State *s,
static void can_display_msg(const char *prefix, const qemu_can_frame *msg)
{
int i;
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("%s%03X [%01d] %s %s",
prefix,
diff --git a/include/exec/log.h b/include/exec/log.h
index 3c7fa65ead..fb595d1eb7 100644
--- a/include/exec/log.h
+++ b/include/exec/log.h
@@ -71,7 +71,7 @@ static inline void log_disas(const void *code, unsigned long size)
/* page_dump() output to the log file: */
static inline void log_page_dump(const char *operation)
{
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
if (logfile) {
qemu_log("page layout changed following %s\n", operation);
page_dump(logfile);
diff --git a/include/qemu/log.h b/include/qemu/log.h
index 6a6b1efce5..d090faf22a 100644
--- a/include/qemu/log.h
+++ b/include/qemu/log.h
@@ -67,7 +67,7 @@ static inline bool qemu_log_separate(void)
/* Lock/unlock output. */
-FILE *qemu_log_lock(void);
+FILE *qemu_log_trylock(void);
void qemu_log_unlock(FILE *fd);
/* Logging functions: */
diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c
index 4b68f60c6b..4a505643e9 100644
--- a/net/can/can_socketcan.c
+++ b/net/can/can_socketcan.c
@@ -76,7 +76,7 @@ QEMU_BUILD_BUG_ON(offsetof(qemu_can_frame, data)
static void can_host_socketcan_display_msg(struct qemu_can_frame *msg)
{
int i;
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("[cansocketcan]: %03X [%01d] %s %s",
msg->can_id & QEMU_CAN_EFF_MASK,
msg->can_dlc,
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 3ba1c99fff..f3cffee520 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -2580,7 +2580,7 @@ static void gen_unknown_opcode(CPUX86State *env, DisasContext *s)
gen_illegal_opcode(s);
if (qemu_loglevel_mask(LOG_UNIMP)) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
target_ulong pc = s->pc_start, end = s->pc;
qemu_log("ILLOPC: " TARGET_FMT_lx ":", pc);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index f8542529d0..abe4ef7799 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -756,7 +756,7 @@ void tcg_prologue_init(TCGContext *s)
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("PROLOGUE: [size=%zu]\n", prologue_size);
if (s->data_gen_ptr) {
size_t code_size = s->data_gen_ptr - s->code_gen_ptr;
@@ -4200,7 +4200,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)
&& qemu_log_in_addr_range(tb->pc))) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("OP:\n");
tcg_dump_ops(s, false);
qemu_log("\n");
@@ -4245,7 +4245,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_IND)
&& qemu_log_in_addr_range(tb->pc))) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("OP before indirect lowering:\n");
tcg_dump_ops(s, false);
qemu_log("\n");
@@ -4266,7 +4266,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT)
&& qemu_log_in_addr_range(tb->pc))) {
- FILE *logfile = qemu_log_lock();
+ FILE *logfile = qemu_log_trylock();
qemu_log("OP after optimization and liveness analysis:\n");
tcg_dump_ops(s, true);
qemu_log("\n");
diff --git a/tests/unit/test-logging.c b/tests/unit/test-logging.c
index d071400ebc..4c595356ae 100644
--- a/tests/unit/test-logging.c
+++ b/tests/unit/test-logging.c
@@ -162,7 +162,7 @@ static void test_logfile_lock(gconstpointer data)
* our handle remains valid for use due to RCU.
*/
qemu_set_log_filename(file_path, &error_abort);
- logfile = qemu_log_lock();
+ logfile = qemu_log_trylock();
g_assert(logfile);
fprintf(logfile, "%s 1st write to file\n", __func__);
fflush(logfile);
diff --git a/util/log.c b/util/log.c
index 1a3121610a..6b7b358573 100644
--- a/util/log.c
+++ b/util/log.c
@@ -36,15 +36,17 @@ static GArray *debug_regions;
/* Lock/unlock output. */
-FILE *qemu_log_lock(void)
+FILE *qemu_log_trylock(void)
{
QemuLogFile *logfile;
+
rcu_read_lock();
logfile = qatomic_rcu_read(&qemu_logfile);
if (logfile) {
qemu_flockfile(logfile->fd);
return logfile->fd;
} else {
+ rcu_read_unlock();
return NULL;
}
}
@@ -53,8 +55,8 @@ void qemu_log_unlock(FILE *fd)
{
if (fd) {
qemu_funlockfile(fd);
+ rcu_read_unlock();
}
- rcu_read_unlock();
}
/* Return the number of characters emitted. */
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-01 10:24:35 +0000