diff options
-rw-r--r-- | .tsan-suppressions | 10 | ||||
-rw-r--r-- | builtin/pack-objects.c | 6 | ||||
-rw-r--r-- | color.c | 7 | ||||
-rw-r--r-- | convert.c | 5 | ||||
-rw-r--r-- | strbuf.h | 5 | ||||
-rw-r--r-- | transport-helper.c | 7 |
6 files changed, 37 insertions, 3 deletions
diff --git a/.tsan-suppressions b/.tsan-suppressions new file mode 100644 index 0000000000..8c85014a0a --- /dev/null +++ b/.tsan-suppressions @@ -0,0 +1,10 @@ +# Suppressions for ThreadSanitizer (tsan). +# +# This file is used by setting the environment variable TSAN_OPTIONS to, e.g., +# "suppressions=$(pwd)/.tsan-suppressions". Observe that relative paths such as +# ".tsan-suppressions" might not work. + +# A static variable is written to racily, but we always write the same value, so +# in practice it (hopefully!) doesn't matter. +race:^want_color$ +race:^transfer_debug$ diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index c753e9237a..bd391e97a4 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -2170,7 +2170,10 @@ static void *threaded_find_deltas(void *arg) { struct thread_params *me = arg; + progress_lock(); while (me->remaining) { + progress_unlock(); + find_deltas(me->list, &me->remaining, me->window, me->depth, me->processed); @@ -2192,7 +2195,10 @@ static void *threaded_find_deltas(void *arg) pthread_cond_wait(&me->cond, &me->mutex); me->data_ready = 0; pthread_mutex_unlock(&me->mutex); + + progress_lock(); } + progress_unlock(); /* leave ->working 1 so that this doesn't get more work assigned */ return NULL; } @@ -338,6 +338,13 @@ static int check_auto_color(void) int want_color(int var) { + /* + * NEEDSWORK: This function is sometimes used from multiple threads, and + * we end up using want_auto racily. That "should not matter" since + * we always write the same value, but it's still wrong. This function + * is listed in .tsan-suppressions for the time being. + */ + static int want_auto = -1; if (var < 0) @@ -1041,7 +1041,6 @@ static void convert_attrs(struct conv_attrs *ca, const char *path) ca->crlf_action = git_path_check_crlf(ccheck + 4); if (ca->crlf_action == CRLF_UNDEFINED) ca->crlf_action = git_path_check_crlf(ccheck + 0); - ca->attr_action = ca->crlf_action; ca->ident = git_path_check_ident(ccheck + 1); ca->drv = git_path_check_convert(ccheck + 2); if (ca->crlf_action != CRLF_BINARY) { @@ -1055,12 +1054,14 @@ static void convert_attrs(struct conv_attrs *ca, const char *path) else if (eol_attr == EOL_CRLF) ca->crlf_action = CRLF_TEXT_CRLF; } - ca->attr_action = ca->crlf_action; } else { ca->drv = NULL; ca->crlf_action = CRLF_UNDEFINED; ca->ident = 0; } + + /* Save attr and make a decision for action */ + ca->attr_action = ca->crlf_action; if (ca->crlf_action == CRLF_TEXT) ca->crlf_action = text_eol_is_crlf() ? CRLF_TEXT_CRLF : CRLF_TEXT_INPUT; if (ca->crlf_action == CRLF_UNDEFINED && auto_crlf == AUTO_CRLF_FALSE) @@ -154,7 +154,10 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) if (len > (sb->alloc ? sb->alloc - 1 : 0)) die("BUG: strbuf_setlen() beyond buffer"); sb->len = len; - sb->buf[len] = '\0'; + if (sb->buf != strbuf_slopbuf) + sb->buf[len] = '\0'; + else + assert(!strbuf_slopbuf[0]); } /** diff --git a/transport-helper.c b/transport-helper.c index 33cff38cc0..2b830b2290 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -1117,6 +1117,13 @@ int transport_helper_init(struct transport *transport, const char *name) __attribute__((format (printf, 1, 2))) static void transfer_debug(const char *fmt, ...) { + /* + * NEEDSWORK: This function is sometimes used from multiple threads, and + * we end up using debug_enabled racily. That "should not matter" since + * we always write the same value, but it's still wrong. This function + * is listed in .tsan-suppressions for the time being. + */ + va_list args; char msgbuf[PBUFFERSIZE]; static int debug_enabled = -1; |