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Diffstat (limited to 'src/core/lib/gpr/sync_posix.cc')
-rw-r--r--src/core/lib/gpr/sync_posix.cc100
1 files changed, 96 insertions, 4 deletions
diff --git a/src/core/lib/gpr/sync_posix.cc b/src/core/lib/gpr/sync_posix.cc
index 69bd609485..c09a7598ac 100644
--- a/src/core/lib/gpr/sync_posix.cc
+++ b/src/core/lib/gpr/sync_posix.cc
@@ -30,11 +30,18 @@
// For debug of the timer manager crash only.
// TODO (mxyan): remove after bug is fixed.
#ifdef GRPC_DEBUG_TIMER_MANAGER
+#include <string.h>
void (*g_grpc_debug_timer_manager_stats)(
int64_t timer_manager_init_count, int64_t timer_manager_shutdown_count,
int64_t fork_count, int64_t timer_wait_err, int64_t timer_cv_value,
int64_t timer_mu_value, int64_t abstime_sec_value,
- int64_t abstime_nsec_value) = nullptr;
+ int64_t abstime_nsec_value, int64_t abs_deadline_sec_value,
+ int64_t abs_deadline_nsec_value, int64_t now1_sec_value,
+ int64_t now1_nsec_value, int64_t now2_sec_value, int64_t now2_nsec_value,
+ int64_t add_result_sec_value, int64_t add_result_nsec_value,
+ int64_t sub_result_sec_value, int64_t sub_result_nsec_value,
+ int64_t next_value, int64_t start_time_sec,
+ int64_t start_time_nsec) = nullptr;
int64_t g_timer_manager_init_count = 0;
int64_t g_timer_manager_shutdown_count = 0;
int64_t g_fork_count = 0;
@@ -43,6 +50,19 @@ int64_t g_timer_cv_value = 0;
int64_t g_timer_mu_value = 0;
int64_t g_abstime_sec_value = -1;
int64_t g_abstime_nsec_value = -1;
+int64_t g_abs_deadline_sec_value = -1;
+int64_t g_abs_deadline_nsec_value = -1;
+int64_t g_now1_sec_value = -1;
+int64_t g_now1_nsec_value = -1;
+int64_t g_now2_sec_value = -1;
+int64_t g_now2_nsec_value = -1;
+int64_t g_add_result_sec_value = -1;
+int64_t g_add_result_nsec_value = -1;
+int64_t g_sub_result_sec_value = -1;
+int64_t g_sub_result_nsec_value = -1;
+int64_t g_next_value = -1;
+int64_t g_start_time_sec = -1;
+int64_t g_start_time_nsec = -1;
#endif // GRPC_DEBUG_TIMER_MANAGER
#ifdef GPR_LOW_LEVEL_COUNTERS
@@ -90,17 +110,74 @@ void gpr_cv_init(gpr_cv* cv) {
void gpr_cv_destroy(gpr_cv* cv) { GPR_ASSERT(pthread_cond_destroy(cv) == 0); }
+// For debug of the timer manager crash only.
+// TODO (mxyan): remove after bug is fixed.
+#ifdef GRPC_DEBUG_TIMER_MANAGER
+static gpr_timespec gpr_convert_clock_type_debug_timespec(
+ gpr_timespec t, gpr_clock_type clock_type, gpr_timespec& now1,
+ gpr_timespec& now2, gpr_timespec& add_result, gpr_timespec& sub_result) {
+ if (t.clock_type == clock_type) {
+ return t;
+ }
+
+ if (t.tv_sec == INT64_MAX || t.tv_sec == INT64_MIN) {
+ t.clock_type = clock_type;
+ return t;
+ }
+
+ if (clock_type == GPR_TIMESPAN) {
+ return gpr_time_sub(t, gpr_now(t.clock_type));
+ }
+
+ if (t.clock_type == GPR_TIMESPAN) {
+ return gpr_time_add(gpr_now(clock_type), t);
+ }
+
+ now1 = gpr_now(t.clock_type);
+ sub_result = gpr_time_sub(t, now1);
+ now2 = gpr_now(clock_type);
+ add_result = gpr_time_add(now2, sub_result);
+ return add_result;
+}
+
+#define gpr_convert_clock_type_debug(t, clock_type, now1, now2, add_result, \
+ sub_result) \
+ gpr_convert_clock_type_debug_timespec((t), (clock_type), (now1), (now2), \
+ (add_result), (sub_result))
+#else
+#define gpr_convert_clock_type_debug(t, clock_type, now1, now2, add_result, \
+ sub_result) \
+ gpr_convert_clock_type((t), (clock_type))
+#endif
+
int gpr_cv_wait(gpr_cv* cv, gpr_mu* mu, gpr_timespec abs_deadline) {
int err = 0;
+#ifdef GRPC_DEBUG_TIMER_MANAGER
+ // For debug of the timer manager crash only.
+ // TODO (mxyan): remove after bug is fixed.
+ gpr_timespec abs_deadline_copy;
+ abs_deadline_copy.tv_sec = abs_deadline.tv_sec;
+ abs_deadline_copy.tv_nsec = abs_deadline.tv_nsec;
+ gpr_timespec now1;
+ gpr_timespec now2;
+ gpr_timespec add_result;
+ gpr_timespec sub_result;
+ memset(&now1, 0, sizeof(now1));
+ memset(&now2, 0, sizeof(now2));
+ memset(&add_result, 0, sizeof(add_result));
+ memset(&sub_result, 0, sizeof(sub_result));
+#endif
if (gpr_time_cmp(abs_deadline, gpr_inf_future(abs_deadline.clock_type)) ==
0) {
err = pthread_cond_wait(cv, mu);
} else {
struct timespec abs_deadline_ts;
#if GPR_LINUX
- abs_deadline = gpr_convert_clock_type(abs_deadline, GPR_CLOCK_MONOTONIC);
+ abs_deadline = gpr_convert_clock_type_debug(
+ abs_deadline, GPR_CLOCK_MONOTONIC, now1, now2, add_result, sub_result);
#else
- abs_deadline = gpr_convert_clock_type(abs_deadline, GPR_CLOCK_REALTIME);
+ abs_deadline = gpr_convert_clock_type_debug(
+ abs_deadline, GPR_CLOCK_REALTIME, now1, now2, add_result, sub_result);
#endif // GPR_LINUX
abs_deadline_ts.tv_sec = static_cast<time_t>(abs_deadline.tv_sec);
abs_deadline_ts.tv_nsec = abs_deadline.tv_nsec;
@@ -123,10 +200,25 @@ int gpr_cv_wait(gpr_cv* cv, gpr_mu* mu, gpr_timespec abs_deadline) {
g_timer_wait_err = err;
g_timer_cv_value = (int64_t)cv;
g_timer_mu_value = (int64_t)mu;
+ g_abs_deadline_sec_value = abs_deadline_copy.tv_sec;
+ g_abs_deadline_nsec_value = abs_deadline_copy.tv_nsec;
+ g_now1_sec_value = now1.tv_sec;
+ g_now1_nsec_value = now1.tv_nsec;
+ g_now2_sec_value = now2.tv_sec;
+ g_now2_nsec_value = now2.tv_nsec;
+ g_add_result_sec_value = add_result.tv_sec;
+ g_add_result_nsec_value = add_result.tv_nsec;
+ g_sub_result_sec_value = sub_result.tv_sec;
+ g_sub_result_nsec_value = sub_result.tv_nsec;
g_grpc_debug_timer_manager_stats(
g_timer_manager_init_count, g_timer_manager_shutdown_count,
g_fork_count, g_timer_wait_err, g_timer_cv_value, g_timer_mu_value,
- g_abstime_sec_value, g_abstime_nsec_value);
+ g_abstime_sec_value, g_abstime_nsec_value, g_abs_deadline_sec_value,
+ g_abs_deadline_nsec_value, g_now1_sec_value, g_now1_nsec_value,
+ g_now2_sec_value, g_now2_nsec_value, g_add_result_sec_value,
+ g_add_result_nsec_value, g_sub_result_sec_value,
+ g_sub_result_nsec_value, g_next_value, g_start_time_sec,
+ g_start_time_nsec);
}
}
#endif