diff options
Diffstat (limited to 'src/core/lib/iomgr/socket_utils_common_posix.c')
-rw-r--r-- | src/core/lib/iomgr/socket_utils_common_posix.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c index 3a1371617e..d2f6261e2a 100644 --- a/src/core/lib/iomgr/socket_utils_common_posix.c +++ b/src/core/lib/iomgr/socket_utils_common_posix.c @@ -169,6 +169,28 @@ grpc_error *grpc_set_socket_reuse_addr(int fd, int reuse) { return GRPC_ERROR_NONE; } +/* set a socket to reuse old addresses */ +grpc_error *grpc_set_socket_reuse_port(int fd, int reuse) { +#ifndef SO_REUSEPORT + return GRPC_ERROR_CREATE("SO_REUSEPORT unavailable on compiling system"); +#else + int val = (reuse != 0); + int newval; + socklen_t intlen = sizeof(newval); + if (0 != setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val))) { + return GRPC_OS_ERROR(errno, "setsockopt(SO_REUSEPORT)"); + } + if (0 != getsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &newval, &intlen)) { + return GRPC_OS_ERROR(errno, "getsockopt(SO_REUSEPORT)"); + } + if ((newval != 0) != val) { + return GRPC_ERROR_CREATE("Failed to set SO_REUSEPORT"); + } + + return GRPC_ERROR_NONE; +#endif +} + /* disable nagle */ grpc_error *grpc_set_socket_low_latency(int fd, int low_latency) { int val = (low_latency != 0); |