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prefer consts to importing #defines from headers

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to be completed - better would be to have a libc wrapper that deals with
all pesky C ABI details
This commit is contained in:
Jacek Sieka 2016-06-06 23:00:00 +08:00
commit 8d7a45f205
6 changed files with 65 additions and 39 deletions
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45
lib/system/ansi_c.nim
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@ -29,28 +29,26 @@ proc c_strcmp(a, b: cstring): cint {.
type
C_JmpBuf {.importc: "jmp_buf", header: "<setjmp.h>".} = object
# constants faked as variables:
when not declared(SIGINT):
when defined(windows):
const
SIGABRT = cint(22)
SIGFPE = cint(8)
SIGILL = cint(4)
SIGINT = cint(2)
SIGSEGV = cint(11)
SIGTERM = cint(15)
elif defined(macosx) or defined(linux):
const
SIGABRT = cint(6)
SIGFPE = cint(8)
SIGILL = cint(4)
SIGINT = cint(2)
SIGSEGV = cint(11)
SIGTERM = cint(15)
SIGPIPE = cint(13)
else:
when NoFakeVars:
when defined(windows):
const
SIGABRT = cint(22)
SIGFPE = cint(8)
SIGILL = cint(4)
SIGINT = cint(2)
SIGSEGV = cint(11)
SIGTERM = cint(15)
elif defined(macosx) or defined(linux):
const
SIGABRT = cint(6)
SIGFPE = cint(8)
SIGILL = cint(4)
SIGINT = cint(2)
SIGSEGV = cint(11)
SIGTERM = cint(15)
SIGPIPE = cint(13)
else:
{.error: "SIGABRT not ported to your platform".}
{.error: "SIGABRT not ported to your platform".}
else:
var
SIGINT {.importc: "SIGINT", nodecl.}: cint
@ -62,10 +60,7 @@ when not declared(SIGINT):
var SIGPIPE {.importc: "SIGPIPE", nodecl.}: cint
when defined(macosx):
when NoFakeVars:
const SIGBUS = cint(10)
else:
var SIGBUS {.importc: "SIGBUS", nodecl.}: cint
const SIGBUS = cint(10)
else:
template SIGBUS: expr = SIGSEGV