X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.c;h=be401bec308ca48cb8bedaad941399c8f2c872cc;hp=8782c615e325878bb7a7701a2f480209c82a7840;hb=761e5b476f8e69f41958a62ed787f5d886fa212e;hpb=ebfc1acd48606d9f2967d92f265010edf010634b diff --git a/udevd.c b/udevd.c index 8782c615e..be401bec3 100644 --- a/udevd.c +++ b/udevd.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include "list.h" @@ -167,7 +168,7 @@ static void msg_queue_insert(struct uevent_msg *msg) } /* forks event and removes event from run queue when finished */ -static void execute_udev(struct uevent_msg *msg) +static void udev_event_fork(struct uevent_msg *msg) { char *const argv[] = { "udev", msg->subsystem, NULL }; pid_t pid; @@ -181,12 +182,10 @@ static void execute_udev(struct uevent_msg *msg) close(uevent_netlink_sock); close(udevd_sock); logging_close(); - setpriority(PRIO_PROCESS, 0, UDEV_PRIORITY); execve(udev_bin, argv, msg->envp); err("exec of child failed"); _exit(1); - break; case -1: err("fork of child failed"); msg_queue_delete(msg); @@ -389,7 +388,7 @@ static void exec_queue_manager(void) if (running_with_devpath(loop_msg, max_childs) == 0) { /* move event to run list */ list_move_tail(&loop_msg->node, &running_list); - execute_udev(loop_msg); + udev_event_fork(loop_msg); running++; dbg("moved seq %llu to running list", loop_msg->seqnum); } else @@ -722,6 +721,7 @@ static void user_sighandler(void) static int init_udevd_socket(void) { struct sockaddr_un saddr; + const int buffersize = 1024 * 1024; socklen_t addrlen; const int feature_on = 1; int retval; @@ -738,6 +738,9 @@ static int init_udevd_socket(void) return -1; } + /* set receive buffersize */ + setsockopt(udevd_sock, SOL_SOCKET, SO_RCVBUF, &buffersize, sizeof(buffersize)); + /* the bind takes care of ensuring only one copy running */ retval = bind(udevd_sock, (struct sockaddr *) &saddr, addrlen); if (retval < 0) { @@ -755,6 +758,7 @@ static int init_udevd_socket(void) static int init_uevent_netlink_sock(void) { struct sockaddr_nl snl; + const int buffersize = 1024 * 1024; int retval; memset(&snl, 0x00, sizeof(struct sockaddr_nl)); @@ -768,6 +772,9 @@ static int init_uevent_netlink_sock(void) return -1; } + /* set receive buffersize */ + setsockopt(uevent_netlink_sock, SOL_SOCKET, SO_RCVBUF, &buffersize, sizeof(buffersize)); + retval = bind(uevent_netlink_sock, (struct sockaddr *) &snl, sizeof(struct sockaddr_nl)); if (retval < 0) {