diff options
Diffstat (limited to 'Utilities/cmlibuv/src/unix/qnx.c')
-rw-r--r-- | Utilities/cmlibuv/src/unix/qnx.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/unix/qnx.c b/Utilities/cmlibuv/src/unix/qnx.c new file mode 100644 index 0000000000..ca148d349f --- /dev/null +++ b/Utilities/cmlibuv/src/unix/qnx.c @@ -0,0 +1,137 @@ +/* Copyright libuv contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "uv.h" +#include "internal.h" + +#include <string.h> +#include <sys/process.h> +#include <sys/neutrino.h> +#include <sys/memmsg.h> +#include <sys/syspage.h> +#include <sys/procfs.h> + +static void +get_mem_info(uint64_t* totalmem, uint64_t* freemem) { + mem_info_t msg; + + memset(&msg, 0, sizeof(msg)); + msg.i.type = _MEM_INFO; + msg.i.fd = -1; + + if (MsgSend(MEMMGR_COID, &msg.i, sizeof(msg.i), &msg.o, sizeof(msg.o)) + != -1) { + *totalmem = msg.o.info.__posix_tmi_total; + *freemem = msg.o.info.posix_tmi_length; + } else { + *totalmem = 0; + *freemem = 0; + } +} + + +void uv_loadavg(double avg[3]) { + avg[0] = 0.0; + avg[1] = 0.0; + avg[2] = 0.0; +} + + +int uv_exepath(char* buffer, size_t* size) { + char path[PATH_MAX]; + if (buffer == NULL || size == NULL || *size == 0) + return UV_EINVAL; + + realpath(_cmdname(NULL), path); + strlcpy(buffer, path, *size); + *size = strlen(buffer); + return 0; +} + + +uint64_t uv_get_free_memory(void) { + uint64_t totalmem; + uint64_t freemem; + get_mem_info(&totalmem, &freemem); + return freemem; +} + + +uint64_t uv_get_total_memory(void) { + uint64_t totalmem; + uint64_t freemem; + get_mem_info(&totalmem, &freemem); + return totalmem; +} + + +uint64_t uv_get_constrained_memory(void) { + return 0; +} + + +int uv_resident_set_memory(size_t* rss) { + int fd; + procfs_asinfo asinfo; + + fd = uv__open_cloexec("/proc/self/ctl", O_RDONLY); + if (fd == -1) + return UV__ERR(errno); + + if (devctl(fd, DCMD_PROC_ASINFO, &asinfo, sizeof(asinfo), 0) == -1) { + uv__close(fd); + return UV__ERR(errno); + } + + uv__close(fd); + *rss = asinfo.rss; + return 0; +} + + +int uv_uptime(double* uptime) { + struct qtime_entry* qtime = _SYSPAGE_ENTRY(_syspage_ptr, qtime); + *uptime = (qtime->nsec / 1000000000.0); + return 0; +} + + +int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { + struct cpuinfo_entry* cpuinfo = + (struct cpuinfo_entry*)_SYSPAGE_ENTRY(_syspage_ptr, new_cpuinfo); + size_t cpuinfo_size = _SYSPAGE_ELEMENT_SIZE(_syspage_ptr, cpuinfo); + struct strings_entry* strings = _SYSPAGE_ENTRY(_syspage_ptr, strings); + int num_cpus = _syspage_ptr->num_cpu; + int i; + + *count = num_cpus; + *cpu_infos = uv__malloc(num_cpus * sizeof(**cpu_infos)); + if (*cpu_infos == NULL) + return UV_ENOMEM; + + for (i = 0; i < num_cpus; i++) { + (*cpu_infos)[i].model = strdup(&strings->data[cpuinfo->name]); + (*cpu_infos)[i].speed = cpuinfo->speed; + SYSPAGE_ARRAY_ADJ_OFFSET(cpuinfo, cpuinfo, cpuinfo_size); + } + + return 0; +} |