http://llvm.org/bugs/show_bug.cgi?id=14378
Bug #: 14378
Summary: vfork() should not be a builtin that returns int
Product: clang
Version: 3.2
Platform: PC
OS/Version: All
Status: NEW
Severity: release blocker
Priority: P
Component: Frontend
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
According to POSIX, vfork() should return a pid_t. A pid_t is only defined to
be of a signed integer type.
However, Clang forces this to be int:
LIBBUILTIN(vfork, "i", "fj", "unistd.h", ALL_LANGUAGES)
This actually causes trouble: Clang refuses to compile programs on for example
Haiku that try to use vfork(), complaining about an incompatible redefinition
because the header defines it to return pid_t, which on e.g. Haiku is a signed
long.
Please remove the line before the 3.2 release!
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