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Merge branch 'bugfix/vfs-select-lock-latency-4.4' into 'release/v4.4'

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vfs: reduce lock in vfs_select (v4.4)

See merge request espressif/esp-idf!16172
This commit is contained in:
Jiang Jiang Jian 2021-11-30 03:56:08 +00:00
commit 51e295b5c2
1 changed files with 2 additions and 2 deletions
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4
components/vfs/vfs.c
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@ -1045,13 +1045,13 @@ int esp_vfs_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *errorfds
vSemaphoreDelete(sel_sem.sem);
sel_sem.sem = NULL;
}
_lock_acquire(&s_fd_table_lock);
for (int fd = 0; fd < nfds; ++fd) {
_lock_acquire(&s_fd_table_lock);
if (s_fd_table[fd].has_pending_close) {
s_fd_table[fd] = FD_TABLE_ENTRY_UNUSED;
}
_lock_release(&s_fd_table_lock);
}
_lock_release(&s_fd_table_lock);
free(vfs_fds_triple);
free(driver_args);