X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fhealth-relayd.c;h=c6dd2e8523f3466abb81d97356b1c13ce1f71273;hp=8a5cbdfcb550f86a2010586e6eed924d19232861;hb=c8fea79c745d42ea8143b7020ae11b4fc2da0d8a;hpb=53efb85a242809ed5ed21e9ab40effa696ecbc6f diff --git a/src/bin/lttng-relayd/health-relayd.c b/src/bin/lttng-relayd/health-relayd.c index 8a5cbdfcb..c6dd2e852 100644 --- a/src/bin/lttng-relayd/health-relayd.c +++ b/src/bin/lttng-relayd/health-relayd.c @@ -15,7 +15,7 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#define _GNU_SOURCE +#define _LGPL_SOURCE #include #include #include @@ -36,18 +36,18 @@ #include #include #include -#include #include #include #include #include #include -#include -#include +#include +#include #include #include #include +#include #include "lttng-relayd.h" #include "health-relayd.h" @@ -135,7 +135,7 @@ int parse_health_env(void) { const char *health_path; - health_path = getenv(LTTNG_RELAYD_HEALTH_ENV); + health_path = lttng_secure_getenv(LTTNG_RELAYD_HEALTH_ENV); if (health_path) { strncpy(health_unix_sock_path, health_path, PATH_MAX); @@ -149,7 +149,7 @@ static int setup_health_path(void) { int is_root, ret = 0; - char *home_path = NULL, *rundir = NULL, *relayd_path; + char *home_path = NULL, *rundir = NULL, *relayd_path = NULL; ret = parse_health_env(); if (ret) { @@ -160,6 +160,10 @@ int setup_health_path(void) if (is_root) { rundir = strdup(DEFAULT_LTTNG_RUNDIR); + if (!rundir) { + ret = -ENOMEM; + goto end; + } } else { /* * Create rundir from home path. This will create something like @@ -203,7 +207,7 @@ int setup_health_path(void) } snprintf(health_unix_sock_path, sizeof(health_unix_sock_path), DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK, - getpid()); + (int) getpid()); } else { /* Set health check Unix path */ if (strlen(health_unix_sock_path) != 0) { @@ -212,11 +216,12 @@ int setup_health_path(void) snprintf(health_unix_sock_path, sizeof(health_unix_sock_path), DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK, - home_path, getpid()); + home_path, (int) getpid()); } end: free(rundir); + free(relayd_path); return ret; } @@ -325,6 +330,11 @@ restart: revents = LTTNG_POLL_GETEV(&events, i); pollfd = LTTNG_POLL_GETFD(&events, i); + if (!revents) { + /* No activity for this FD (poll implementation). */ + continue; + } + /* Thread quit pipe has been closed. Killing thread. */ ret = check_health_quit_pipe(pollfd, revents); if (ret) { @@ -334,9 +344,14 @@ restart: /* Event on the registration socket */ if (pollfd == sock) { - if (revents & (LPOLLERR | LPOLLHUP | LPOLLRDHUP)) { + if (revents & LPOLLIN) { + continue; + } else if (revents & (LPOLLERR | LPOLLHUP | LPOLLRDHUP)) { ERR("Health socket poll error"); goto error; + } else { + ERR("Unexpected poll events %u for sock %d", revents, pollfd); + goto error; } } }