manipulate user context NAME makecontext, swapcontext - manipulate user context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <uc...manipulate user context NAME makecontext, swapcontext - manipulate user context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <uc......This flag was added in order to make it safe to switch away from the signal handler with swapcontext (3). Without this flag, a subsequently handled signal will corrupt the state…...in <ucontext.h> and the four functions getcontext (), setcontext (), makecontext (3), and swapcontext (3) that allow user-level context switching between multiple threads of con…...in <ucontext.h> and the four functions getcontext (), setcontext (), makecontext (3), and swapcontext (3) that allow user-level context switching between multiple threads of con…