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Merge branch 'bugfix/vfs-select-lock-latency' into 'master'

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vfs: reduce lock in vfs_select

Closes WIFI-4063 and WIFI-4207

See merge request espressif/esp-idf!16161
This commit is contained in:
Ivan Grokhotkov 2021-11-30 03:55:44 +00:00
commit 4675dc428f
1 changed files with 2 additions and 2 deletions
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4
components/vfs/vfs.c
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@ -1043,13 +1043,13 @@ int esp_vfs_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *errorfds
vSemaphoreDelete(sel_sem.sem); vSemaphoreDelete(sel_sem.sem);
sel_sem.sem = NULL; sel_sem.sem = NULL;
} }
_lock_acquire(&s_fd_table_lock);
for (int fd = 0; fd < nfds; ++fd) { for (int fd = 0; fd < nfds; ++fd) {
_lock_acquire(&s_fd_table_lock);
if (s_fd_table[fd].has_pending_close) { if (s_fd_table[fd].has_pending_close) {
s_fd_table[fd] = FD_TABLE_ENTRY_UNUSED; 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(vfs_fds_triple);
free(driver_args); free(driver_args);