diff options
Diffstat (limited to 'man3/makecontext.3')
-rw-r--r-- | man3/makecontext.3 | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/man3/makecontext.3 b/man3/makecontext.3 index c4e2378..5fc342f 100644 --- a/man3/makecontext.3 +++ b/man3/makecontext.3 @@ -6,7 +6,7 @@ .\" .\" 2006-08-02, mtk, Added example program .\" -.TH makecontext 3 2023-07-20 "Linux man-pages 6.05.01" +.TH makecontext 3 2023-10-31 "Linux man-pages 6.7" .SH NAME makecontext, swapcontext \- manipulate user context .SH LIBRARY @@ -15,7 +15,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <ucontext.h> -.PP +.P .BI "void makecontext(ucontext_t *" ucp ", void (*" func ")(), int " argc \ ", ...);" .BI "int swapcontext(ucontext_t *restrict " oucp , @@ -36,7 +36,7 @@ and .BR swapcontext () that allow user-level context switching between multiple threads of control within a process. -.PP +.P The .BR makecontext () function modifies the context pointed to @@ -48,7 +48,7 @@ the caller must allocate a new stack for this context and assign its address to \fIucp\->uc_stack\fP, and define a successor context and assign its address to \fIucp\->uc_link\fP. -.PP +.P When this context is later activated (using .BR setcontext (3) or @@ -62,7 +62,7 @@ the caller must specify the number of these arguments in .IR argc . When this function returns, the successor context is activated. If the successor context pointer is NULL, the thread exits. -.PP +.P The .BR swapcontext () function saves the current context in @@ -112,7 +112,6 @@ T} Thread safety T{ MT-Safe race:oucp race:ucp T} .TE -.sp 1 .SH STANDARDS None. .SH HISTORY @@ -129,7 +128,7 @@ to be used as the stack, regardless of the direction of growth of the stack. Thus, it is not necessary for the user program to worry about this direction. -.PP +.P On architectures where .I int and pointer types are the same size @@ -152,7 +151,7 @@ The example program below demonstrates the use of and .BR swapcontext (). Running the program produces the following output: -.PP +.P .in +4n .EX .RB "$" " ./a.out" |