diff options
Diffstat (limited to 'Utilities/cmlibuv/src/unix/haiku.c')
-rw-r--r-- | Utilities/cmlibuv/src/unix/haiku.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/unix/haiku.c b/Utilities/cmlibuv/src/unix/haiku.c new file mode 100644 index 0000000..7708851 --- /dev/null +++ b/Utilities/cmlibuv/src/unix/haiku.c @@ -0,0 +1,176 @@ +/* Copyright libuv project 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 <FindDirectory.h> /* find_path() */ +#include <OS.h> + + +void uv_loadavg(double avg[3]) { + avg[0] = 0; + avg[1] = 0; + avg[2] = 0; +} + + +int uv_exepath(char* buffer, size_t* size) { + char abspath[B_PATH_NAME_LENGTH]; + status_t status; + ssize_t abspath_len; + + if (buffer == NULL || size == NULL || *size == 0) + return UV_EINVAL; + + status = find_path(B_APP_IMAGE_SYMBOL, B_FIND_PATH_IMAGE_PATH, NULL, abspath, + sizeof(abspath)); + if (status != B_OK) + return UV__ERR(status); + + abspath_len = uv__strscpy(buffer, abspath, *size); + *size -= 1; + if (abspath_len >= 0 && *size > (size_t)abspath_len) + *size = (size_t)abspath_len; + + return 0; +} + + +uint64_t uv_get_free_memory(void) { + status_t status; + system_info sinfo; + + status = get_system_info(&sinfo); + if (status != B_OK) + return 0; + + return (sinfo.max_pages - sinfo.used_pages) * B_PAGE_SIZE; +} + + +uint64_t uv_get_total_memory(void) { + status_t status; + system_info sinfo; + + status = get_system_info(&sinfo); + if (status != B_OK) + return 0; + + return sinfo.max_pages * B_PAGE_SIZE; +} + + +uint64_t uv_get_constrained_memory(void) { + return 0; /* Memory constraints are unknown. */ +} + + +int uv_resident_set_memory(size_t* rss) { + area_info area; + ssize_t cookie; + status_t status; + thread_info thread; + + status = get_thread_info(find_thread(NULL), &thread); + if (status != B_OK) + return UV__ERR(status); + + cookie = 0; + *rss = 0; + while (get_next_area_info(thread.team, &cookie, &area) == B_OK) + *rss += area.ram_size; + + return 0; +} + + +int uv_uptime(double* uptime) { + /* system_time() returns time since booting in microseconds */ + *uptime = (double)system_time() / 1000000; + return 0; +} + + +int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { + cpu_topology_node_info* topology_infos; + int i; + status_t status; + system_info system; + uint32_t topology_count; + uint64_t cpuspeed; + uv_cpu_info_t* cpu_info; + + if (cpu_infos == NULL || count == NULL) + return UV_EINVAL; + + status = get_cpu_topology_info(NULL, &topology_count); + if (status != B_OK) + return UV__ERR(status); + + topology_infos = uv__malloc(topology_count * sizeof(*topology_infos)); + if (topology_infos == NULL) + return UV_ENOMEM; + + status = get_cpu_topology_info(topology_infos, &topology_count); + if (status != B_OK) { + uv__free(topology_infos); + return UV__ERR(status); + } + + cpuspeed = 0; + for (i = 0; i < (int)topology_count; i++) { + if (topology_infos[i].type == B_TOPOLOGY_CORE) { + cpuspeed = topology_infos[i].data.core.default_frequency; + break; + } + } + + uv__free(topology_infos); + + status = get_system_info(&system); + if (status != B_OK) + return UV__ERR(status); + + *cpu_infos = uv__calloc(system.cpu_count, sizeof(**cpu_infos)); + if (*cpu_infos == NULL) + return UV_ENOMEM; + + /* CPU time and model are not exposed by Haiku. */ + cpu_info = *cpu_infos; + for (i = 0; i < (int)system.cpu_count; i++) { + cpu_info->model = uv__strdup("unknown"); + cpu_info->speed = (int)(cpuspeed / 1000000); + cpu_info++; + } + *count = system.cpu_count; + + return 0; +} + +void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { + int i; + + for (i = 0; i < count; i++) + uv__free(cpu_infos[i].model); + + uv__free(cpu_infos); +} |