diff options
Diffstat (limited to 'lib/posix/posix.nim')
| -rw-r--r-- | lib/posix/posix.nim | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/lib/posix/posix.nim b/lib/posix/posix.nim index ddf00cbb7..fbe945df3 100644 --- a/lib/posix/posix.nim +++ b/lib/posix/posix.nim @@ -195,8 +195,29 @@ proc open*(a1: cstring, a2: cint, mode: Mode | cint = 0.Mode): cint {.inline.} = proc posix_fadvise*(a1: cint, a2, a3: Off, a4: cint): cint {. importc, header: "<fcntl.h>".} -proc posix_fallocate*(a1: cint, a2, a3: Off): cint {. - importc, header: "<fcntl.h>".} + +proc ftruncate*(a1: cint, a2: Off): cint {.importc, header: "<unistd.h>".} +when defined(osx): # 2001 POSIX evidently does not concern Apple + type FStore {.importc: "fstore_t", header: "<fcntl.h>", bycopy.} = object + fst_flags: uint32 ## IN: flags word + fst_posmode: cint ## IN: indicates offset field + fst_offset, ## IN: start of the region + fst_length, ## IN: size of the region + fst_bytesalloc: Off ## OUT: number of bytes allocated + var F_PEOFPOSMODE {.importc, header: "<fcntl.h>".}: cint + var F_ALLOCATEALL {.importc, header: "<fcntl.h>".}: uint32 + var F_PREALLOCATE {.importc, header: "<fcntl.h>".}: cint + proc posix_fallocate*(a1: cint, a2, a3: Off): cint = + var fst = FStore(fst_flags: F_ALLOCATEALL, fst_posmode: F_PEOFPOSMODE, + fst_offset: a2, fst_length: a3) + # Must also call ftruncate to match what POSIX does. Unlike posix_fallocate, + # this can shrink files. Could guard w/getFileSize, but caller likely knows + # present size & has no good reason to call this unless it is growing. + if fcntl(a1, F_PREALLOCATE, fst.addr) != cint(-1): ftruncate(a1, a2 + a3) + else: cint(-1) +else: + proc posix_fallocate*(a1: cint, a2, a3: Off): cint {. + importc, header: "<fcntl.h>".} when not defined(haiku) and not defined(openbsd): proc fmtmsg*(a1: int, a2: cstring, a3: cint, @@ -511,7 +532,6 @@ proc fpathconf*(a1, a2: cint): int {.importc, header: "<unistd.h>".} proc fsync*(a1: cint): cint {.importc, header: "<unistd.h>".} ## synchronize a file's buffer cache to the storage device -proc ftruncate*(a1: cint, a2: Off): cint {.importc, header: "<unistd.h>".} proc getcwd*(a1: cstring, a2: int): cstring {.importc, header: "<unistd.h>", sideEffect.} proc getuid*(): Uid {.importc, header: "<unistd.h>", sideEffect.} ## returns the real user ID of the calling process @@ -564,7 +584,8 @@ proc pread*(a1: cint, a2: pointer, a3: int, a4: Off): int {. proc pwrite*(a1: cint, a2: pointer, a3: int, a4: Off): int {. importc, header: "<unistd.h>".} proc read*(a1: cint, a2: pointer, a3: int): int {.importc, header: "<unistd.h>".} -proc readlink*(a1, a2: cstring, a3: int): int {.importc, header: "<unistd.h>".} +when not defined(nintendoswitch): + proc readlink*(a1, a2: cstring, a3: int): int {.importc, header: "<unistd.h>".} proc ioctl*(f: FileHandle, device: uint): int {.importc: "ioctl", header: "<sys/ioctl.h>", varargs, tags: [WriteIOEffect].} ## A system call for device-specific input/output operations and other @@ -583,7 +604,10 @@ proc setsid*(): Pid {.importc, header: "<unistd.h>".} proc setuid*(a1: Uid): cint {.importc, header: "<unistd.h>".} proc sleep*(a1: cint): cint {.importc, header: "<unistd.h>".} proc swab*(a1, a2: pointer, a3: int) {.importc, header: "<unistd.h>".} -proc symlink*(a1, a2: cstring): cint {.importc, header: "<unistd.h>".} +when not defined(nintendoswitch): + proc symlink*(a1, a2: cstring): cint {.importc, header: "<unistd.h>".} +else: + proc symlink*(a1, a2: cstring): cint = -1 proc sync*() {.importc, header: "<unistd.h>".} proc sysconf*(a1: cint): int {.importc, header: "<unistd.h>".} proc tcgetpgrp*(a1: cint): Pid {.importc, header: "<unistd.h>".} @@ -934,7 +958,7 @@ proc `==`*(x, y: SocketHandle): bool {.borrow.} proc accept*(a1: SocketHandle, a2: ptr SockAddr, a3: ptr SockLen): SocketHandle {. importc, header: "<sys/socket.h>", sideEffect.} -when defined(linux) or defined(bsd): +when defined(linux) or defined(bsd) or defined(nuttx): proc accept4*(a1: SocketHandle, a2: ptr SockAddr, a3: ptr SockLen, flags: cint): SocketHandle {.importc, header: "<sys/socket.h>".} @@ -1140,12 +1164,12 @@ type ## The getrlimit() and setrlimit() system calls get and set resource limits respectively. ## Each resource has an associated soft and hard limit, as defined by the RLimit structure -proc setrlimit*(resource: cint, rlp: var RLimit): cint - {.importc: "setrlimit",header: "<sys/resource.h>".} +proc setrlimit*(resource: cint, rlp: var RLimit): cint {. + importc: "setrlimit", header: "<sys/resource.h>".} ## The setrlimit() system calls sets resource limits. -proc getrlimit*(resource: cint, rlp: var RLimit): cint - {.importc: "getrlimit",header: "<sys/resource.h>".} +proc getrlimit*(resource: cint, rlp: var RLimit): cint {. + importc: "getrlimit", header: "<sys/resource.h>".} ## The getrlimit() system call gets resource limits. when defined(nimHasStyleChecks): |