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vm: FFI improvements

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This commit is contained in:
Araq 2013-12-23 20:12:13 +01:00
commit 32ef1f8f32
6 changed files with 56 additions and 28 deletions
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46
lib/system/ansi_c.nim
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@ -40,21 +40,31 @@ var
# constants faked as variables:
when not defined(SIGINT):
var
SIGINT {.importc: "SIGINT", nodecl.}: cint
SIGSEGV {.importc: "SIGSEGV", nodecl.}: cint
SIGABRT {.importc: "SIGABRT", nodecl.}: cint
SIGFPE {.importc: "SIGFPE", nodecl.}: cint
SIGILL {.importc: "SIGILL", nodecl.}: cint
when NoFakeVars:
when defined(windows):
const
SIGABRT = cint(22)
SIGFPE = cint(8)
SIGILL = cint(4)
SIGINT = cint(2)
SIGSEGV = cint(11)
SIGTERM = cint(15)
else:
{.error: "SIGABRT not ported to your platform".}
else:
var
SIGINT {.importc: "SIGINT", nodecl.}: cint
SIGSEGV {.importc: "SIGSEGV", nodecl.}: cint
SIGABRT {.importc: "SIGABRT", nodecl.}: cint
SIGFPE {.importc: "SIGFPE", nodecl.}: cint
SIGILL {.importc: "SIGILL", nodecl.}: cint
when defined(macosx):
var
SIGBUS {.importc: "SIGBUS", nodecl.}: cint
# hopefully this does not lead to new bugs
else:
var
SIGBUS {.importc: "SIGSEGV", nodecl.}: cint
# only Mac OS X has this shit
template SIGBUS: expr = SIGSEGV
proc c_longjmp(jmpb: C_JmpBuf, retval: cint) {.
header: "<setjmp.h>", importc: "longjmp".}
@ -111,16 +121,22 @@ proc c_realloc(p: pointer, newsize: int): pointer {.
when hostOS != "standalone":
when not defined(errno):
var errno {.importc, header: "<errno.h>".}: cint ## error variable
when defined(NimrodVM):
var vmErrnoWrapper {.importc.}: ptr cint
template errno: expr =
bind vmErrnoWrapper
vmErrnoWrapper[]
else:
var errno {.importc, header: "<errno.h>".}: cint ## error variable
proc strerror(errnum: cint): cstring {.importc, header: "<string.h>".}
proc c_remove(filename: CString): cint {.
proc c_remove(filename: cstring): cint {.
importc: "remove", header: "<stdio.h>".}
proc c_rename(oldname, newname: CString): cint {.
proc c_rename(oldname, newname: cstring): cint {.
importc: "rename", header: "<stdio.h>".}
proc c_system(cmd: CString): cint {.importc: "system", header: "<stdlib.h>".}
proc c_getenv(env: CString): CString {.importc: "getenv", header: "<stdlib.h>".}
proc c_putenv(env: CString): cint {.importc: "putenv", header: "<stdlib.h>".}
proc c_system(cmd: cstring): cint {.importc: "system", header: "<stdlib.h>".}
proc c_getenv(env: cstring): cstring {.importc: "getenv", header: "<stdlib.h>".}
proc c_putenv(env: cstring): cint {.importc: "putenv", header: "<stdlib.h>".}
{.pop}