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#include <setjmp.h>
#include <sys/types.h>
#include <signal.h>
/** save program state with signal mask **/
int sigsetjmp(sigjmp_buf env, int savemask)
{
if (savemask) {
/* save mask to env */
}
return setjmp(env);
}
/***
saves the current state of the calling environment in the
TYPEDEF(sigjmp_buf) ARGUMENT(env). If ARGUMENT(savemask) is nonzero, the saved
environment includes the signal mask of the current thread.
***/
/*
CONSTRAINT: entire controlling expression of a selection or iteration statement
CONSTRAINT: one operand of a relational or equality operator which is the entire controlling expression of a selction or iteration statement
CONSTRAINT: the operand of a unary ! as the entire controlling expression of a selection or iteration statement
CONSTRAINT: an entire expression statement
UNSPECIFIED(Whether THIS() is a macro or identifier with external linkage)
UNDEFINED(A macro definition of THIS() is suppressed in order to access an actual function)
UNDEFINED(A program defines an external identifier named LITERAL(setjmp))
POSIX(1)
*/
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