1# Copyright (c) 2018 Intel Corporation 2# SPDX-License-Identifier: Apache-2.0 3 4config POSIX_MAX_FDS 5 int "Maximum number of open file descriptors" 6 default 16 if POSIX_API 7 default 4 8 help 9 Maximum number of open file descriptors, this includes 10 files, sockets, special devices, etc. 11 12config POSIX_API 13 depends on !ARCH_POSIX 14 bool "POSIX APIs" 15 help 16 Enable mostly-standards-compliant implementations of 17 various POSIX (IEEE 1003.1) APIs. 18 19config PTHREAD_IPC 20 bool "POSIX pthread IPC API" 21 default y if POSIX_API 22 depends on POSIX_CLOCK 23 help 24 This enables a mostly-standards-compliant implementation of 25 the pthread mutex, condition variable and barrier IPC 26 mechanisms. 27 28if PTHREAD_IPC 29config MAX_PTHREAD_COUNT 30 int "Maximum simultaneously active pthread count in POSIX application" 31 default 5 32 range 0 255 33 help 34 Maximum number of simultaneously active threads in a POSIX application. 35 36config SEM_VALUE_MAX 37 int "Maximum semaphore limit" 38 default 32767 39 range 1 32767 40 help 41 Maximum semaphore count in POSIX compliant Application. 42 43endif # PTHREAD_IPC 44 45config POSIX_CLOCK 46 bool "POSIX clock, timer, and sleep APIs" 47 default y if POSIX_API 48 help 49 This enables POSIX clock\_\*(), timer\_\*(), and \*sleep() 50 functions. 51 52config MAX_TIMER_COUNT 53 int "Maximum timer count in POSIX application" 54 default 5 55 range 0 255 56 help 57 Mention maximum number of timers in POSIX compliant application. 58 59config POSIX_MQUEUE 60 bool "Enable POSIX message queue" 61 default y if POSIX_API 62 help 63 This enabled POSIX message queue related APIs. 64 65if POSIX_MQUEUE 66config MSG_COUNT_MAX 67 int "Maximum number of messages in message queue" 68 default 16 69 help 70 Mention maximum number of messages in message queue in POSIX compliant 71 application. 72 73config MSG_SIZE_MAX 74 int "Maximum size of a message" 75 default 16 76 help 77 Mention maximum size of message in bytes. 78 79config MQUEUE_NAMELEN_MAX 80 int "Maximum size of a name length" 81 default 16 82 range 2 255 83 help 84 Mention length of message queue name in number of characters. 85 86endif 87 88config POSIX_FS 89 bool "Enable POSIX file system API support" 90 default y if POSIX_API 91 depends on FILE_SYSTEM 92 help 93 This enables POSIX style file system related APIs. 94 95config POSIX_MAX_OPEN_FILES 96 int "Maximum number of open file descriptors" 97 default 16 98 depends on POSIX_FS 99 help 100 Maximum number of open files. Note that this setting 101 is additionally bounded by CONFIG_POSIX_MAX_FDS. 102 103# The name of this option is mandated by zephyr_interface_library_named 104# cmake directive. 105config APP_LINK_WITH_POSIX_SUBSYS 106 bool "Make POSIX headers available to application" 107 default y 108 depends on POSIX_API 109 help 110 Add POSIX subsystem header files to the 'app' include path. 111 112config EVENTFD 113 bool "Enable support for eventfd" 114 depends on !ARCH_POSIX 115 select POLL 116 default y if POSIX_API 117 help 118 Enable support for event file descriptors, eventfd. An eventfd can 119 be used as an event wait/notify mechanism together with POSIX calls 120 like read, write and poll. 121 122config EVENTFD_MAX 123 int "Maximum number of eventfd's" 124 depends on EVENTFD 125 default 1 126 range 1 4096 127 help 128 The maximum number of supported event file descriptors. 129