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| author | Max Romanov <max.romanov@nginx.com> | 2019-12-24 18:04:09 +0300 |
|---|---|---|
| committer | Max Romanov <max.romanov@nginx.com> | 2019-12-24 18:04:09 +0300 |
| commit | 64f649f9903e226421869376bc72a8513581d7d0 (patch) | |
| tree | 02753ac43ca918167e64338311f4cc4d78edd8c8 /src/nxt_unit.c | |
| parent | 429c5a1c54fbc457c6caf6503525fd22225a4e22 (diff) | |
| download | unit-64f649f9903e226421869376bc72a8513581d7d0.tar.gz unit-64f649f9903e226421869376bc72a8513581d7d0.tar.bz2 | |
Adding "limits/shm" configuration validation and parsing.
Diffstat (limited to 'src/nxt_unit.c')
| -rw-r--r-- | src/nxt_unit.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/nxt_unit.c b/src/nxt_unit.c index 118e3e5d..8bc7b679 100644 --- a/src/nxt_unit.c +++ b/src/nxt_unit.c @@ -43,7 +43,8 @@ nxt_inline void nxt_unit_mmap_buf_insert_tail(nxt_unit_mmap_buf_t **prev, nxt_unit_mmap_buf_t *mmap_buf); nxt_inline void nxt_unit_mmap_buf_unlink(nxt_unit_mmap_buf_t *mmap_buf); static int nxt_unit_read_env(nxt_unit_port_t *ready_port, - nxt_unit_port_t *read_port, int *log_fd, uint32_t *stream); + nxt_unit_port_t *read_port, int *log_fd, uint32_t *stream, + uint32_t *shm_limit); static int nxt_unit_ready(nxt_unit_ctx_t *ctx, nxt_unit_port_id_t *port_id, uint32_t stream); static int nxt_unit_process_new_port(nxt_unit_ctx_t *ctx, @@ -240,6 +241,7 @@ struct nxt_unit_impl_s { nxt_unit_callbacks_t callbacks; uint32_t request_data_size; + uint32_t shm_mmap_limit; pthread_mutex_t mutex; @@ -306,7 +308,7 @@ nxt_unit_ctx_t * nxt_unit_init(nxt_unit_init_t *init) { int rc; - uint32_t ready_stream; + uint32_t ready_stream, shm_limit; nxt_unit_ctx_t *ctx; nxt_unit_impl_t *lib; nxt_unit_port_t ready_port, read_port; @@ -329,12 +331,20 @@ nxt_unit_init(nxt_unit_init_t *init) ready_port.id.id); nxt_unit_port_id_init(&read_port.id, read_port.id.pid, read_port.id.id); + } else { rc = nxt_unit_read_env(&ready_port, &read_port, &lib->log_fd, - &ready_stream); + &ready_stream, &shm_limit); if (nxt_slow_path(rc != NXT_UNIT_OK)) { goto fail; } + + lib->shm_mmap_limit = (shm_limit + PORT_MMAP_DATA_SIZE - 1) + / PORT_MMAP_DATA_SIZE; + } + + if (nxt_slow_path(lib->shm_mmap_limit < 1)) { + lib->shm_mmap_limit = 1; } lib->pid = read_port.id.pid; @@ -399,6 +409,8 @@ nxt_unit_create(nxt_unit_init_t *init) lib->callbacks = init->callbacks; lib->request_data_size = init->request_data_size; + lib->shm_mmap_limit = (init->shm_limit + PORT_MMAP_DATA_SIZE - 1) + / PORT_MMAP_DATA_SIZE; lib->processes.slot = NULL; lib->ports.slot = NULL; @@ -539,7 +551,7 @@ nxt_unit_mmap_buf_unlink(nxt_unit_mmap_buf_t *mmap_buf) static int nxt_unit_read_env(nxt_unit_port_t *ready_port, nxt_unit_port_t *read_port, - int *log_fd, uint32_t *stream) + int *log_fd, uint32_t *stream, uint32_t *shm_limit) { int rc; int ready_fd, read_fd; @@ -574,14 +586,14 @@ nxt_unit_read_env(nxt_unit_port_t *ready_port, nxt_unit_port_t *read_port, "%"PRIu32";" "%"PRId64",%"PRIu32",%d;" "%"PRId64",%"PRIu32",%d;" - "%d", + "%d,%"PRIu32, &ready_stream, &ready_pid, &ready_id, &ready_fd, &read_pid, &read_id, &read_fd, - log_fd); + log_fd, shm_limit); - if (nxt_slow_path(rc != 8)) { - nxt_unit_alert(NULL, "failed to scan variables"); + if (nxt_slow_path(rc != 9)) { + nxt_unit_alert(NULL, "failed to scan variables: %d", rc); return NXT_UNIT_ERROR; } |