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60 Commits

Author SHA1 Message Date
Xiang Xiao
0b891d60f9 vfs: Define symlink as link 
specified here:
https://pubs.opengroup.org/onlinepubs/009695399/functions/symlink.html
yes, symlink is different from link:
1.symlink create the soft(symbolic) link
2.link create the hard link
but it is suitable to make them same now since vfs doesn't support the
hard link and the soft link in file system level yet.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I3b6e311cc1c826542165c9d93cbe5e078f113684
 2020-06-30 13:09:58 -06:00
Xiang Xiao
977f04a2b1 libc: sysconf support _SC_NPROCESSORS_CONF/_SC_NPROCESSORS_ONLN 
specified here:
https://www.man7.org/linux/man-pages/man3/sysconf.3.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I87fba8476221797e59c69c1953974bebc8d0d7b3
 2020-06-27 22:43:13 +01:00
Xiang Xiao
d24bd782a9 libc: Implement pathconf and fpathconf 
specified here:
https://pubs.opengroup.org/onlinepubs/009695399/functions/fpathconf.html
note: only _PC_PATH_MAX is handled now

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Idd323dc10e8f31f10dd1fc64f467227808c11dbd
 2020-06-23 17:34:54 +01:00
Xiang Xiao
1e166f7ecb sysconf: Implement _SC_ATEXIT_MAX query 
and remove the incorrect macro ATEXIT_MAX

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ia5d7dafc50e942f62f95137313c34741c6dd60ba
 2020-06-23 17:34:54 +01:00
Xiang Xiao
a2d924eea4 syscall: Fix typo error in cvs and header file 
and reoder the entry in cvs file

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-05-07 10:31:05 -06:00
liuhaitao
9b75ef06ea include/sys/time.h, libs/libc/unistd, sched/timer: Implement alarm(), setitimer() and getitimer() APIs. 2019-11-13 08:10:16 -06:00
Gregory Nutt
38ada48454 libc/libc/unistd/: Add stubs for setreuid(), and setregid(). NuttX does not currently support effective user/group IDs, but these stubs will support linkage of applications that expect these POSIX standard interfaces. 2019-09-03 11:35:31 -06:00
Gregory Nutt
a2bf7057f6 libc/libc/unistd/: Add stubs for geteuid(), getegid(), seteuid(), and setegid(). NuttX does not currently support effective user/group IDs, but these stubs will support linkage of appliations that expect these POSIX standard interfaces. 2019-09-03 10:57:51 -06:00
Gregory Nutt
ec5120f69e sched/group and syscall/: Implement 'real' setuid, getuid, setgid, and getgid interfaces. These will be inheritance by all child task groups. 2019-08-06 14:13:43 -06:00
Michael Jung
e8af615578 libs/libc/unistd: Stubs for setuid and setgid. Added stubbed implementations of setuid and setgid. These functions are essentially stubs pretending that NuttX supported users and groups and that the only configured user and group in the system were both 'root' with a uid and a gid of 0, respectively. The intent is not to provide meaningful new features, but to ease porting of foreign source code to NuttX. 2019-08-06 07:17:23 -06:00
Joao Matos
604f699711 Fixed R_OK/X_OK definitions to match POSIX. 2019-04-04 10:35:50 -06:00
Xiang Xiao
16850297f3 libs/unistd and other affected files: Hostname support no longer depends on CONFIG_NET since the host name is also useful in the non-network environment. CONFIG_NET_HOSTNAME changed to CONFIG_LIB_HOSTNAME. 2019-01-27 06:56:16 -06:00
Gregory Nutt
5a89459783 libs/libc/unistd/: Add a crippled version of daemon(). 2018-07-20 07:56:09 -06:00
Gregory Nutt
4a9a421c34 Back out part of f4bcaa4fc2dc2f06d5632d3b74f43c25a6e7e845.If CONFIG_ARCH_IDLE_CUSTOM is defined, then it should not use the version of lc823450_idle.c in arch/arm/src/lc823450. That part was correct before the PR. If CONFIG_ARCH_IDLE_CUSTOM, then the build should use a custom IDLE loop in the board src/ directory. 2018-05-11 06:26:01 -06:00
Gregory Nutt
024364eeef Clean up some spacing in the last commit... Seemed like a good idea at the time, but it is better to be consisten than better. 2018-05-10 15:59:40 -06:00
Michael Jung
29af41a85f libc/unistd: Initial, minimal implementation of sysconf(). Only sufficient to support the functionality of less standard getdtabilesize(). 2018-05-10 14:08:34 -06:00
Gregory Nutt
e4652bd3dc Squashed commit of the following: 
fs: Add truncate() support for userfs
    fs/unionfs:  Add truncate() support to the unionfs
    fs/tmpfs:  Add ftruncate() support to tmpfs
    syscall/: Add system call support for ftruncate()
    net/route:  Adding ftruncate() support eliminates an issue in file-based routing table management.
    fs:  Add basic framework to support truncate() and ftruncate().  The infrastructure is complete.  Now, however, the actual implementation of ftruncate() will have to be done for each file system.
 2018-01-03 16:03:56 -06:00
Gregory Nutt
a49b349614 C library: Add swab() 2017-02-16 14:42:27 -06:00
Gregory Nutt
4417e74977 Soft links: Add an (untested) implementation of readlink() 2017-02-03 13:57:12 -06:00
Gregory Nutt
92305e400a Soft links: Initial, incompete implementation 2017-02-02 10:39:41 -06:00
Sebastien Lorquet
c8c4575139 isatty() should be prototypes in unstid.h, not termios.h. 2016-08-24 10:25:09 -06:00
Gregory Nutt
e73e82a923 Move prototypes of mkfifo2() from sys/stat.h and pipe2() from unistd.h. They are non-standard and should not be in such a public place. They are not in include/nuttx/fs/fs.h (which isn't a great place either). 2016-07-20 11:57:18 -06:00
Gregory Nutt
671d7fae31 Add mkfifo2() and pipe2() which are just like mkfifo() and pipe(), but allow control of the size of the underlying, in-memory circular buffer 2016-07-19 13:51:05 -06:00
Gregory Nutt
9cbac41e78 Clean-up/standardize a few header files 2015-08-03 11:01:41 -06:00
Gregory Nutt
9095e8eab4 include/, sched/, and libc/: Add support for sporadic scheduling parameters in struct sched_param, posix_spawnattr_t, and pthread_attr_t. Update all user interfaces to pass sporadic scheduling parameters. Feature is dependent on EXPERIMENTAL and no changes have yet been made to core scheduling logic. 2015-07-23 13:16:32 -06:00
Gregory Nutt
e1c306f2dd Add support for sethostname 2015-07-05 08:42:32 -06:00
Stavros Polymenis
701509f9bd Add implementations of uname() and gethost(). From Stavros Polymenis. 2015-07-03 07:50:27 -06:00
Gregory Nutt
c23b7ec93d From Lorenz Meier: The implementation of access() as vararg macro has the issue that any function call with the same name (even in a C++ class) will match with it and result in a compile error. I have replaced it with a small function, and tried to have decent documentation as well. This resolves the compile issue, and shouldn’t have negative side effects for users of the function. 2014-11-11 11:52:24 -06:00
Gregory Nutt
948be542a1 Add pread() and pwrite() 2014-10-04 07:31:13 -06:00
Gregory Nutt
da7a440b35 execv() is a basic system interface. It should not be in libc/ but rather in sched/task. Its symboltable helper logic also belongs in the kernel but belings in binfmt/ with the other symbol table logic 2014-09-15 10:15:19 -06:00
Gregory Nutt
b4438e44c5 Restructuring of build to allow use of use-space allocators by kernel logic in the kernel build. 2014-09-02 11:22:09 -06:00
Gregory Nutt
45c31d633c Completes the implementation of sbrk() (untested) 2014-09-01 10:46:51 -06:00
Gregory Nutt
f8a8ce4b18 Initial implementatino of sbrk() 2014-09-01 07:37:54 -06:00
Gregory Nutt
7025465109 Adds support for localtime. From Max Neklyudov 2014-08-12 06:18:22 -06:00
Gregory Nutt
3833a56f59 _POSIX_* definitions must have values. From Kosma Moczek 2014-06-30 08:29:15 -06:00
Gregory Nutt
33121dd0d0 Various changes associated with symbol tables. Most from Pelle Windestam 2014-06-27 08:14:07 -06:00
Gregory Nutt
417f67c132 Clean up some naming: fd vs. fildes vs. filedes and filep vs filp 2013-09-28 16:50:07 -06:00
patacongo
555e3fe1f5 Add support for dup2'ing files. Infrastructure and ROMFS done. Still need FAT, BINFS, NXFFS, and NFS 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5516 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-14 15:42:03 +00:00
patacongo
2aa149a02d Add interfaces to dynamically change symbol tables used by posix_spawn, execv, and execl. This is needed for testing. 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5506 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-10 20:00:08 +00:00
patacongo
c76795d32b Add execv() and execl(); Move lm3s header files for compatibility 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5492 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-08 16:25:30 +00:00
patacongo
c82c7095f9 Implement a simple vfork(). ARM only for now 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5486 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-07 15:20:21 +00:00
patacongo
9b37a2c4fc Implement pause() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5376 42af7a65-404d-4744-a932-0658087f49c3
 2012-11-21 00:39:30 +00:00
patacongo
8e5733ae3f Header file clean-up 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4948 42af7a65-404d-4744-a932-0658087f49c3
 2012-07-17 03:58:11 +00:00
patacongo
bea43b32c0 Fix return values from sleep(), usleep(), and sigtimedwait(). Fix STM32 F2 I2C bug-for-bug compatibility 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4786 42af7a65-404d-4744-a932-0658087f49c3
 2012-05-30 15:36:46 +00:00
patacongo
eeec4073a9 Switching to C99 stdint.h types 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2340 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-14 23:32:23 +00:00
patacongo
9535a28d7a Eliminate some hcs12 compile errors/warnings 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2329 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-13 15:13:37 +00:00
patacongo
00819643d0 Adding basic framework for NXFLAT 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1887 42af7a65-404d-4744-a932-0658087f49c3
 2009-06-16 13:26:07 +00:00
patacongo
709263b6d8 Add chdir() and getcwd() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@837 42af7a65-404d-4744-a932-0658087f49c3
 2008-08-22 23:38:33 +00:00
patacongo
7c18bfddad Fix read()/write() prototype 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@820 42af7a65-404d-4744-a932-0658087f49c3
 2008-08-13 00:32:32 +00:00
patacongo
b918dac0c3 Add pipe() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@779 42af7a65-404d-4744-a932-0658087f49c3
 2008-07-26 13:12:11 +00:00