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Merge pull request #24555 from neovim/backport-23224-to-release-0.9
[Backport release-0.9] refactor(env): remove unused mutex
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commit
9d1c8bc5c0
@ -175,7 +175,6 @@ bool event_teardown(void)
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/// Needed for unit tests. Must be called after `time_init()`.
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void early_init(mparm_T *paramp)
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{
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env_init();
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estack_init();
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cmdline_init();
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eval_init(); // init global variables
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@ -52,22 +52,6 @@
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// Because `uv_os_getenv` requires allocating, we must manage a map to maintain
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// the behavior of `os_getenv`.
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static PMap(cstr_t) envmap = MAP_INIT;
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static uv_mutex_t mutex;
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void env_init(void)
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{
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uv_mutex_init(&mutex);
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}
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void os_env_var_lock(void)
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{
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uv_mutex_lock(&mutex);
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}
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void os_env_var_unlock(void)
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{
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uv_mutex_unlock(&mutex);
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}
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/// Like getenv(), but returns NULL if the variable is empty.
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/// @see os_env_exists
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@ -79,7 +63,6 @@ const char *os_getenv(const char *name)
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if (name[0] == '\0') {
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return NULL;
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}
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uv_mutex_lock(&mutex);
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int r = 0;
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if (pmap_has(cstr_t)(&envmap, name)
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&& !!(e = (char *)pmap_get(cstr_t)(&envmap, name))) {
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@ -105,8 +88,6 @@ const char *os_getenv(const char *name)
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}
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pmap_put(cstr_t)(&envmap, xstrdup(name), e);
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end:
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// Must do this before ELOG, log.c may call os_setenv.
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uv_mutex_unlock(&mutex);
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if (r != 0 && r != UV_ENOENT && r != UV_UNKNOWN) {
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ELOG("uv_os_getenv(%s) failed: %d %s", name, r, uv_err_name(r));
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}
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@ -158,7 +139,6 @@ int os_setenv(const char *name, const char *value, int overwrite)
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return 0;
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}
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#endif
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uv_mutex_lock(&mutex);
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int r;
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#ifdef MSWIN
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// libintl uses getenv() for LC_ALL/LANG/etc., so we must use _putenv_s().
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@ -173,8 +153,6 @@ int os_setenv(const char *name, const char *value, int overwrite)
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// Destroy the old map item. Do this AFTER uv_os_setenv(), because `value`
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// could be a previous os_getenv() result.
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pmap_del2(&envmap, name);
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// Must do this before ELOG, log.c may call os_setenv.
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uv_mutex_unlock(&mutex);
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if (r != 0) {
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ELOG("uv_os_setenv(%s) failed: %d %s", name, r, uv_err_name(r));
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}
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@ -188,11 +166,8 @@ int os_unsetenv(const char *name)
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if (name[0] == '\0') {
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return -1;
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}
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uv_mutex_lock(&mutex);
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pmap_del2(&envmap, name);
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int r = uv_os_unsetenv(name);
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// Must do this before ELOG, log.c may call os_setenv.
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uv_mutex_unlock(&mutex);
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if (r != 0) {
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ELOG("uv_os_unsetenv(%s) failed: %d %s", name, r, uv_err_name(r));
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}
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@ -519,10 +494,8 @@ static char *os_homedir(void)
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{
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homedir_buf[0] = NUL;
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size_t homedir_size = MAXPATHL;
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uv_mutex_lock(&mutex);
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// http://docs.libuv.org/en/v1.x/misc.html#c.uv_os_homedir
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int ret_value = uv_os_homedir(homedir_buf, &homedir_size);
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uv_mutex_unlock(&mutex);
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if (ret_value == 0 && homedir_size < MAXPATHL) {
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return homedir_buf;
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}
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