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Diffstat (limited to 'ext/socket/raddrinfo.c')
-rw-r--r--ext/socket/raddrinfo.c83
1 files changed, 62 insertions, 21 deletions
diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c
index ca00e51ee7..f1fbcc35de 100644
--- a/ext/socket/raddrinfo.c
+++ b/ext/socket/raddrinfo.c
@@ -293,7 +293,7 @@ rb_freeaddrinfo(struct rb_addrinfo *ai)
xfree(ai);
}
-unsigned int
+static int
rsock_value_timeout_to_msec(VALUE timeout)
{
double seconds = NUM2DBL(timeout);
@@ -308,7 +308,7 @@ rsock_value_timeout_to_msec(VALUE timeout)
#if GETADDRINFO_IMPL == 0
static int
-rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, unsigned int _timeout)
+rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int _timeout)
{
return getaddrinfo(hostp, portp, hints, ai);
}
@@ -346,7 +346,7 @@ fork_safe_getaddrinfo(void *arg)
}
static int
-rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, unsigned int _timeout)
+rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int _timeout)
{
struct getaddrinfo_arg arg;
MEMZERO(&arg, struct getaddrinfo_arg, 1);
@@ -367,11 +367,11 @@ struct getaddrinfo_arg
int err, gai_errno, refcount, done, cancelled, timedout;
rb_nativethread_lock_t lock;
rb_nativethread_cond_t cond;
- unsigned int timeout;
+ int timeout;
};
static struct getaddrinfo_arg *
-allocate_getaddrinfo_arg(const char *hostp, const char *portp, const struct addrinfo *hints, unsigned int timeout)
+allocate_getaddrinfo_arg(const char *hostp, const char *portp, const struct addrinfo *hints, int timeout)
{
size_t hostp_offset = sizeof(struct getaddrinfo_arg);
size_t portp_offset = hostp_offset + (hostp ? strlen(hostp) + 1 : 0);
@@ -387,7 +387,7 @@ allocate_getaddrinfo_arg(const char *hostp, const char *portp, const struct addr
if (hostp) {
arg->node = buf + hostp_offset;
- strcpy(arg->node, hostp);
+ memcpy(arg->node, hostp, portp_offset - hostp_offset);
}
else {
arg->node = NULL;
@@ -395,7 +395,7 @@ allocate_getaddrinfo_arg(const char *hostp, const char *portp, const struct addr
if (portp) {
arg->service = buf + portp_offset;
- strcpy(arg->service, portp);
+ memcpy(arg->service, portp, bufsize - portp_offset);
}
else {
arg->service = NULL;
@@ -465,8 +465,11 @@ wait_getaddrinfo(void *ptr)
struct getaddrinfo_arg *arg = (struct getaddrinfo_arg *)ptr;
rb_nativethread_lock_lock(&arg->lock);
while (!arg->done && !arg->cancelled) {
- unsigned long msec = arg->timeout;
- if (msec > 0) {
+ long msec = arg->timeout;
+ if (msec == 0) {
+ arg->cancelled = 1;
+ arg->timedout = 1;
+ } else if (msec > 0) {
rb_native_cond_timedwait(&arg->cond, &arg->lock, msec);
if (!arg->done) {
arg->cancelled = 1;
@@ -496,13 +499,49 @@ int
raddrinfo_pthread_create(pthread_t *th, void *(*start_routine) (void *), void *arg)
{
int limit = 3, ret;
+ int saved_errno;
+#ifdef HAVE_PTHREAD_ATTR_SETDETACHSTATE
+ pthread_attr_t attr;
+ pthread_attr_t *attr_p = &attr;
+ int err;
+ int init_retries = 0;
+ int init_retries_max = 3;
+retry_attr_init:
+ if ((err = pthread_attr_init(attr_p)) != 0) {
+ if (err == ENOMEM && init_retries < init_retries_max) {
+ init_retries++;
+ rb_gc();
+ goto retry_attr_init;
+ }
+ return err;
+ }
+ if ((err = pthread_attr_setdetachstate(attr_p, PTHREAD_CREATE_DETACHED)) != 0) {
+ saved_errno = errno;
+ pthread_attr_destroy(attr_p);
+ errno = saved_errno;
+ return err; // EINVAL - shouldn't happen
+ }
+#else
+ pthread_attr_t *attr_p = NULL;
+#endif
do {
// It is said that pthread_create may fail spuriously, so we follow the JDK and retry several times.
//
// https://bugs.openjdk.org/browse/JDK-8268605
// https://github.com/openjdk/jdk/commit/e35005d5ce383ddd108096a3079b17cb0bcf76f1
- ret = pthread_create(th, 0, start_routine, arg);
+ ret = pthread_create(th, attr_p, start_routine, arg);
} while (ret == EAGAIN && limit-- > 0);
+#ifdef HAVE_PTHREAD_ATTR_SETDETACHSTATE
+ saved_errno = errno;
+ pthread_attr_destroy(attr_p);
+ if (ret != 0) {
+ errno = saved_errno;
+ }
+#else
+ if (ret == 0) {
+ pthread_detach(th); // this can race with shutdown routine of thread in some glibc versions
+ }
+#endif
return ret;
}
@@ -513,7 +552,7 @@ fork_safe_do_getaddrinfo(void *ptr)
}
static int
-rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, unsigned int timeout)
+rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int timeout)
{
int retry;
struct getaddrinfo_arg *arg;
@@ -534,7 +573,6 @@ start:
errno = err;
return EAI_SYSTEM;
}
- pthread_detach(th);
rb_thread_call_without_gvl2(wait_getaddrinfo, arg, cancel_getaddrinfo, arg);
@@ -562,7 +600,11 @@ start:
if (need_free) free_getaddrinfo_arg(arg);
- if (timedout) rsock_raise_user_specified_timeout();
+ if (timedout) {
+ VALUE host = rb_str_new_cstr(hostp);
+ VALUE port = rb_str_new_cstr(portp);
+ rsock_raise_user_specified_timeout(NULL, host, port);
+ }
// If the current thread is interrupted by asynchronous exception, the following raises the exception.
// But if the current thread is interrupted by timer thread, the following returns; we need to manually retry.
@@ -589,7 +631,7 @@ rb_getnameinfo(const struct sockaddr *sa, socklen_t salen,
char *host, size_t hostlen,
char *serv, size_t servlen, int flags)
{
- return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+ return getnameinfo(sa, salen, host, (socklen_t)hostlen, serv, (socklen_t)servlen, flags);
}
#elif GETADDRINFO_IMPL == 1
@@ -752,7 +794,7 @@ rb_getnameinfo(const struct sockaddr *sa, socklen_t salen,
int err = 0, gni_errno = 0;
if (GETNAMEINFO_WONT_BLOCK(host, serv, flags)) {
- return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+ return getnameinfo(sa, salen, host, (socklen_t)hostlen, serv, (socklen_t)servlen, flags);
}
start:
@@ -770,7 +812,6 @@ start:
errno = err;
return EAI_SYSTEM;
}
- pthread_detach(th);
rb_thread_call_without_gvl2(wait_getnameinfo, arg, cancel_getnameinfo, arg);
@@ -979,7 +1020,7 @@ rb_scheduler_getaddrinfo(VALUE scheduler, VALUE host, const char *service,
}
struct rb_addrinfo*
-rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack, unsigned int timeout)
+rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack, VALUE timeout)
{
struct rb_addrinfo* res = NULL;
struct addrinfo *ai;
@@ -1014,7 +1055,8 @@ rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_h
}
if (!resolved) {
- error = rb_getaddrinfo(hostp, portp, hints, &ai, timeout);
+ int t = NIL_P(timeout) ? -1 : rsock_value_timeout_to_msec(timeout);
+ error = rb_getaddrinfo(hostp, portp, hints, &ai, t);
if (error == 0) {
res = (struct rb_addrinfo *)xmalloc(sizeof(struct rb_addrinfo));
res->allocated_by_malloc = 0;
@@ -1047,7 +1089,7 @@ rsock_fd_family(int fd)
}
struct rb_addrinfo*
-rsock_addrinfo(VALUE host, VALUE port, int family, int socktype, int flags, unsigned int timeout)
+rsock_addrinfo(VALUE host, VALUE port, int family, int socktype, int flags, VALUE timeout)
{
struct addrinfo hints;
@@ -1338,8 +1380,7 @@ call_getaddrinfo(VALUE node, VALUE service,
hints.ai_flags = NUM2INT(flags);
}
- unsigned int t = NIL_P(timeout) ? 0 : rsock_value_timeout_to_msec(timeout);
- res = rsock_getaddrinfo(node, service, &hints, socktype_hack, t);
+ res = rsock_getaddrinfo(node, service, &hints, socktype_hack, timeout);
if (res == NULL)
rb_raise(rb_eSocket, "host not found");