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From: Alexandra H. <aha...@re...> - 2023-04-25 15:29:08
|
when waiting for valgrind to start.
---
coregrind/vgdb.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/coregrind/vgdb.c b/coregrind/vgdb.c
index 21e67c65b..8ec424077 100644
--- a/coregrind/vgdb.c
+++ b/coregrind/vgdb.c
@@ -178,14 +178,20 @@ void add_written(int nrw)
static int shared_mem_fd = -1;
static
-void map_vgdbshared(char* shared_mem)
+void map_vgdbshared(char* shared_mem, int check_trials)
{
struct stat fdstat;
void **s;
int tries = 50;
int err;
- /* valgrind might still be starting up, give it 5 seconds. */
+ /* valgrind might still be starting up, give it 5 seconds by
+ * default, or check_trails seconds if it is set by --wait
+ * to more than a second. */
+ if (check_trials > 1) {
+ DEBUG(1, "check_trials %d\n", check_trials);
+ tries = check_trials * 10;
+ }
do {
shared_mem_fd = open(shared_mem, O_RDWR | O_CLOEXEC);
err = errno;
@@ -581,7 +587,7 @@ void wait_for_gdb_connect(int in_port)
/* prepares the FIFOs filenames, map the shared memory. */
static
-void prepare_fifos_and_shared_mem(int pid)
+void prepare_fifos_and_shared_mem(int pid, int check_trials)
{
const HChar *user, *host;
unsigned len;
@@ -610,7 +616,7 @@ void prepare_fifos_and_shared_mem(int pid)
DEBUG(1, "vgdb: using %s %s %s\n",
from_gdb_to_pid, to_gdb_from_pid, shared_mem);
- map_vgdbshared(shared_mem);
+ map_vgdbshared(shared_mem, check_trials);
}
static void
@@ -1303,7 +1309,7 @@ int fork_and_exec_valgrind (int argc, char **argv, const char *working_dir,
/* Do multi stuff. */
static
-void do_multi_mode(void)
+void do_multi_mode(int check_trials)
{
char *buf = vmalloc(PBUFSIZ+1);
char *q_buf = vmalloc(PBUFSIZ+1); //save the qSupported packet sent by gdb
@@ -1458,7 +1464,7 @@ void do_multi_mode(void)
if (res == 0) {
// Lets report we Stopped with SIGTRAP (05).
send_packet ("S05", noackmode);
- prepare_fifos_and_shared_mem(valgrind_pid);
+ prepare_fifos_and_shared_mem(valgrind_pid, check_trials);
DEBUG(1, "from_gdb_to_pid %s, to_gdb_from_pid %s\n",
from_gdb_to_pid, to_gdb_from_pid);
// gdb_relay is an endless loop till valgrind quits.
@@ -2392,7 +2398,8 @@ int main(int argc, char** argv)
if (!multi_mode) {
pid = search_arg_pid(arg_pid, check_trials, show_list);
- prepare_fifos_and_shared_mem(pid);
+ /* We pass 1 for check_trails here, because search_arg_pid already waited. */
+ prepare_fifos_and_shared_mem(pid, 1);
} else {
pid = 0;
}
@@ -2413,7 +2420,9 @@ int main(int argc, char** argv)
}
if (multi_mode) {
- do_multi_mode ();
+ /* check_trails is the --wait argument in seconds, defaulting to 1
+ * if not given. */
+ do_multi_mode (check_trials);
} else if (last_command >= 0) {
standalone_send_commands(pid, last_command, commands);
} else {
--
2.39.2
|
|
From: Paul F. <pa...@so...> - 2023-04-25 05:37:23
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=8f1e09be1634274654217fa095afcc6d83fa8e35 commit 8f1e09be1634274654217fa095afcc6d83fa8e35 Author: Paul Floyd <pj...@wa...> Date: Tue Apr 25 07:36:10 2023 +0200 Add new DHAT userreqs to NEWS Diff: --- NEWS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/NEWS b/NEWS index f29c756e49..7974f0c2e9 100644 --- a/NEWS +++ b/NEWS @@ -132,6 +132,12 @@ AMD64/macOS 10.13 and nanoMIPS/Linux. - Valgrind now contains python code that defines GDB massif front end monitor commands. See CORE CHANGES. +* DHAT: + - A new kind of user request has been added which allows you to + override the 1024 byte limit on access count histograms for blocks + of memories. Two client requests are available, + DHAT_HISTOGRAM_MEMORY_UNINIT and DHAT_HISTOGRAM_MEMORY_INIT. + * ==================== FIXED BUGS ==================== The following bugs have been fixed or resolved. Note that "n-i-bz" |