xref: /linux/tools/perf/trace/beauty/waitid_options.c (revision 597473720f4dc69749542bfcfed4a927a43d935e)
1794f594eSArnaldo Carvalho de Melo // SPDX-License-Identifier: LGPL-2.1
27206b900SArnaldo Carvalho de Melo #include <sys/types.h>
37206b900SArnaldo Carvalho de Melo #include <sys/wait.h>
47206b900SArnaldo Carvalho de Melo 
syscall_arg__scnprintf_waitid_options(char * bf,size_t size,struct syscall_arg * arg)57206b900SArnaldo Carvalho de Melo static size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size,
67206b900SArnaldo Carvalho de Melo 						    struct syscall_arg *arg)
77206b900SArnaldo Carvalho de Melo {
8c65c83ffSArnaldo Carvalho de Melo 	bool show_prefix = arg->show_string_prefix;
9c65c83ffSArnaldo Carvalho de Melo 	const char *prefix = "W";
107206b900SArnaldo Carvalho de Melo 	int printed = 0, options = arg->val;
117206b900SArnaldo Carvalho de Melo 
127206b900SArnaldo Carvalho de Melo #define	P_OPTION(n) \
137206b900SArnaldo Carvalho de Melo 	if (options & W##n) { \
14*1da7e002SArnaldo Carvalho de Melo 		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "",  #n); \
157206b900SArnaldo Carvalho de Melo 		options &= ~W##n; \
167206b900SArnaldo Carvalho de Melo 	}
177206b900SArnaldo Carvalho de Melo 
187206b900SArnaldo Carvalho de Melo 	P_OPTION(NOHANG);
197206b900SArnaldo Carvalho de Melo 	P_OPTION(UNTRACED);
207206b900SArnaldo Carvalho de Melo 	P_OPTION(CONTINUED);
217206b900SArnaldo Carvalho de Melo #undef P_OPTION
227206b900SArnaldo Carvalho de Melo 
237206b900SArnaldo Carvalho de Melo 	if (options)
247206b900SArnaldo Carvalho de Melo 		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options);
257206b900SArnaldo Carvalho de Melo 
267206b900SArnaldo Carvalho de Melo 	return printed;
277206b900SArnaldo Carvalho de Melo }
287206b900SArnaldo Carvalho de Melo 
297206b900SArnaldo Carvalho de Melo #define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options
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