IPC
This commit is contained in:
Kolan Sh
parent
9979b02d95
commit
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# Makefile generated by command: smake.sh -t makelog -t pipes -t printns -t typeclient -t typeserver
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# This file is generated with smake.sh.
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# You can use this make file with instruction make to
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# use one of build mode: debug, profile, develop, release.
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# No need to call make clean if You make with other mode,
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# because the Makefile containes rules for automatically clean.
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# Some usage examples:
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# make # default mode is debug
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# CFLAGS="-O2 -march=core2 -mtune=core2 -msse4.1 -mfpmath=sse -fomit-frame-pointer -pipe" LDFLAGS="-Wl,-O1" make mode=develop
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# CFLAGS="-O2 -march=amdfam10 -mtune=amdfam10 -msse4a --mfpmath=sse -fomit-frame-pointer -pipe" LDFLAGS="-Wl,-O1" make mode=profile
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# CFLAGS="-O2 -march=k6-2 -mtune=k6-2 -m3dnow --mfpmath=387 -fomit-frame-pointer -pipe" LDFLAGS="-Wl,-O1" make mode=release
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# Report bugs to <mecareful@gmail.com>
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#_________________________________
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# ENVIRONMENT |
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#________________________________|
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TARGET0=makelog
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TARGET1=pipes
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TARGET2=printns
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TARGET3=typeclient
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TARGET4=typeserver
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TARGETS= $(TARGET0) $(TARGET1) $(TARGET2) $(TARGET3) $(TARGET4)
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CC=cc
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CXX=c++
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LIBS=
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SRC=
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INCLUDES=
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#________________________________________
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# BUILD SCRIPT (don't change) |
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#_______________________________________|
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ifeq ($(mode),)
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mode = debug
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endif
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ifeq ($(mode),debug)
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CFLAGS := -O0 -g -DDEBUG -std=gnu99 -pedantic -Wextra -Wconversion $(CFLAGS)
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LDFLAGS := $(LDFLAGS)
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endif
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ifeq ($(mode),profile)
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CFLAGS := -O0 -g -DDEBUG -p -ftest-coverage -Wcoverage-mismatch $(CFLAGS)
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LDFLAGS := -g -p $(LDFLAGS)
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endif
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ifeq ($(mode),develop)
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CFLAGS := -O2 -g -DDEBUG $(CFLAGS)
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LDFLAGS := -O1 $(LDFLAGS)
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endif
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ifeq ($(mode),release)
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CFLAGS := -O2 $(CFLAGS)
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LDFLAGS := -O1 $(LDFLAGS)
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endif
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CFLAGS += -Wall $(INCLUDES)
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LDFLAGS += -Wall $(LIBS)
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all:
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@make change_make_options &>/dev/null
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+make $(TARGETS)
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ifneq ($(mode),debug)
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ifneq ($(mode),profile)
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ifneq ($(mode),develop)
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ifneq ($(mode),release)
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@echo "Invalid build mode."
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@echo "Please use 'make mode=release', 'make mode=develop', 'make mode=profile' or 'make mode=debug'"
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@exit 1
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endif
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endif
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endif
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endif
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@echo ".........................."
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@echo "Building on "$(mode)" mode "
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@echo "CFLAGS=$(CFLAGS)"
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@echo "LDFLAGS=$(LDFLAGS)"
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@echo ".........................."
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OLD_BUILD_MODE=$(shell grep ^MODE make_options.out 2>/dev/null | sed 's~^MODE=~~')
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OLD_BUILD_CFLAGS=$(shell grep ^CFLAGS make_options.out 2>/dev/null | sed 's~^CFLAGS=~~')
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OLD_BUILD_LDFLAGS=$(shell grep ^LDFLAGS make_options.out 2>/dev/null | sed 's~^LDFLAGS=~~')
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change_make_options:
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ifneq ($(mode)|$(CFLAGS)|$(LDFLAGS), $(OLD_BUILD_MODE)|$(OLD_BUILD_CFLAGS)|$(OLD_BUILD_LDFLAGS))
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@echo CLEANING...
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@make clean
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@echo "MODE=$(mode)" > make_options.out
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@echo "CFLAGS=$(CFLAGS)" >> make_options.out
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@echo "LDFLAGS=$(LDFLAGS)" >> make_options.out
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endif
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%.o :
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$(CC) -c $(CFLAGS) $(SRC) -o $@ $<
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clean:
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$(RM) *.o *.out callgrind.out.* *.gcno $(TARGETS)
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.PHONY: all change_make_options clean
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#_________________________________
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# R U L E S |
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#________________________________|
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target_objs0 = \
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makelog.o
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$(TARGET0): $(target_objs0)
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$(CC) $(LDFLAGS) -o $@ $(target_objs0)
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target_objs1 = \
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pipes.o
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$(TARGET1): $(target_objs1)
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$(CC) $(LDFLAGS) -o $@ $(target_objs1)
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target_objs2 = \
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printns.o
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$(TARGET2): $(target_objs2)
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$(CC) $(LDFLAGS) -o $@ $(target_objs2)
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target_objs3 = \
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typeclient.o
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$(TARGET3): $(target_objs3)
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$(CC) $(LDFLAGS) -o $@ $(target_objs3)
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target_objs4 = \
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typeserver.o
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$(TARGET4): $(target_objs4)
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$(CC) $(LDFLAGS) -o $@ $(target_objs4)
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makelog.o: \
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makelog.c
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pipes.o: \
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pipes.c
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printns.o: \
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printns.c
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typeclient.o: \
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typeclient.c
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typeserver.o: \
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typeserver.c
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@ -0,0 +1,37 @@
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/*
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Popen/Pclose Demo by Andrei Borovsky <borovsky@tochka.ru>.
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This code is freeware.
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*/
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#include <stdio.h>
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#include <errno.h>
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#define BUF_SIZE 0x100
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int main(int argc, char * argv[])
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{
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FILE * f;
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FILE * o;
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int len;
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char buf[BUF_SIZE];
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if (argc != 2)
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{
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printf("использование: makelog \"<command>\"\n");
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return -1;
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}
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f = popen(argv[1], "r");
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if (f == NULL)
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{
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perror("ошибка:\n");
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return -1;
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}
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o = fopen("log.txt", "w");
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while ((len = fread(buf, 1, BUF_SIZE, f)) != 0)
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{
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write(1, buf, len);
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fwrite(buf, 1, len, o);
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}
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pclose(f);
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fclose(o);
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return 0;
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}
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/*
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Anonymous Pipes Demo by Andrei Borovsky <borovsky@tochka.ru>.
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This code is freeware.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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int main (int argc, char * argv[])
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{
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int pipedes[2];
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pid_t pid;
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pipe(pipedes);
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pid = fork();
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if ( pid > 0 )
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{
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char *str = "String passed via pipe\n";
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close(pipedes[0]);
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write(pipedes[1], (void *) str, strlen(str) + 1);
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close(pipedes[1]);
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}
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else
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{
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char buf[1024];
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int len;
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close(pipedes[1]);
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while ((len = read(pipedes[0], buf, 1024)) != 0)
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write(2, buf, len);
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close(pipedes[0]);
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}
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return 0;
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}
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/*
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Child process output redirection Demo by Andrei Borovsky <borovsky@tochka.ru>.
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This code is freeware.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define BUF_SIZE 0x100
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int main (int argc, char * argv[])
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{
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int pipedes[2];
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pid_t pid;
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pipe(pipedes);
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pid = fork();
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if ( pid > 0 )
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{
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char buf[BUF_SIZE];
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int len;
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close(pipedes[1]);
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while ((len = read(pipedes[0], buf, BUF_SIZE)) > 0)
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write(1, buf, len);
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close(pipedes[0]);
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}
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else
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{
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close(pipedes[0]);
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dup2(pipedes[1], 1);
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execve("/bin/netstat", NULL, NULL);
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}
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return 0;
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}
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@ -0,0 +1,23 @@
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/*
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Named Pipe Demo by Andrei Borovsky <borovsky@tochka.ru>.
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This code is freeware.
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*/
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#include <stdio.h>
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#define FIFO_NAME "./fifofile"
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int main ()
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{
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FILE * f;
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char ch;
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f = fopen(FIFO_NAME, "r");
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do
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{
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ch = fgetc(f);
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putchar(ch);
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} while (ch != 'q');
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fclose(f);
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unlink(FIFO_NAME);
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return 0;
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}
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/*
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Named Pipe Demo by Andrei Borovsky <borovsky@tochka.ru>.
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This code is freeware.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#define FIFO_NAME "./fifofile"
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int main(int argc, char * argv[])
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{
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FILE * f;
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char ch;
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mkfifo(FIFO_NAME, 0600);
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f = fopen(FIFO_NAME, "w");
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if (f == NULL)
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{
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printf("Не удалось открыть файл\n");
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return -1;
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}
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do
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{
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ch = getchar();
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fputc(ch, f);
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if (ch == 10) fflush(f);
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} while (ch != 'q');
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fclose(f);
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unlink(FIFO_NAME);
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return 0;
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}
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