X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fcompat%2Fcompat-poll.c;h=1193b785f9874e8bcd15cd16b72673b3f0d7f645;hp=4ea23c17318e1439f36a94b134194d13b070e4de;hb=4375b3d11abd6299e4eac8fafa4c7e0437ad9cfe;hpb=9f32e9bf43a6438c55f35d3c5ed1c378d0c715c4 diff --git a/src/common/compat/compat-poll.c b/src/common/compat/compat-poll.c index 4ea23c173..1193b785f 100644 --- a/src/common/compat/compat-poll.c +++ b/src/common/compat/compat-poll.c @@ -30,7 +30,14 @@ #include "poll.h" -unsigned int poll_max_size; + +/* + * Maximum number of fd we can monitor. + * + * For poll(2), the max fds must not exceed RLIMIT_NOFILE given by + * getrlimit(2). + */ +static unsigned int poll_max_size; /* * Resize the epoll events structure of the new size. @@ -103,6 +110,7 @@ error: /* * Create pollfd data structure. */ +LTTNG_HIDDEN int compat_poll_create(struct lttng_poll_event *events, int size) { struct compat_poll_event_array *current, *wait; @@ -155,6 +163,7 @@ error: /* * Add fd to pollfd data structure with requested events. */ +LTTNG_HIDDEN int compat_poll_add(struct lttng_poll_event *events, int fd, uint32_t req_events) { @@ -201,6 +210,7 @@ error: /* * Modify an fd's events.. */ +LTTNG_HIDDEN int compat_poll_mod(struct lttng_poll_event *events, int fd, uint32_t req_events) { @@ -237,6 +247,7 @@ error: /* * Remove a fd from the pollfd structure. */ +LTTNG_HIDDEN int compat_poll_del(struct lttng_poll_event *events, int fd) { int i, count = 0, ret; @@ -291,6 +302,7 @@ error: /* * Wait on poll() with timeout. Blocking call. */ +LTTNG_HIDDEN int compat_poll_wait(struct lttng_poll_event *events, int timeout, bool interruptible) { @@ -302,7 +314,6 @@ int compat_poll_wait(struct lttng_poll_event *events, int timeout, ERR("poll wait arguments error"); goto error; } - assert(events->current.nb_fd >= 0); if (events->current.nb_fd == 0) { /* Return an invalid error to be consistent with epoll. */ @@ -370,6 +381,7 @@ error: /* * Setup poll set maximum size. */ +LTTNG_HIDDEN int compat_poll_set_max_size(void) { int ret, retval = 0;