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libzpool: set thread names

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Arrange for the thread/task name to be set when new threads are created.
This makes them visible in the process table etc.

pthread_setname_np() is generally available in glibc, musl and FreeBSD,
so no test is required.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #16140
This commit is contained in:
Rob Norris
2024-04-28 11:03:11 +10:00
committed by Brian Behlendorf
parent 7ac00d3c26
commit 4429ad9276
3 changed files with 10 additions and 7 deletions
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include/sys/zfs_context.h
+4 -4
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@@ -228,9 +228,9 @@ typedef pthread_t kthread_t;
#define thread_create_named(name, stk, stksize, func, arg, len, \
pp, state, pri) \
zk_thread_create(func, arg, stksize, state)
zk_thread_create(name, func, arg, stksize, state)
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
zk_thread_create(func, arg, stksize, state)
zk_thread_create(#func, func, arg, stksize, state)
#define thread_exit() pthread_exit(NULL)
#define thread_join(t) pthread_join((pthread_t)(t), NULL)
@@ -246,8 +246,8 @@ extern struct proc p0;
#define PS_NONE -1
extern kthread_t *zk_thread_create(void (*func)(void *), void *arg,
size_t stksize, int state);
extern kthread_t *zk_thread_create(const char *name, void (*func)(void *),
void *arg, size_t stksize, int state);
#define issig(why) (FALSE)
#define ISSIG(thr, why) (FALSE)