diff options
Diffstat (limited to 'OLD/csci4061/110920_breakout')
| -rw-r--r-- | OLD/csci4061/110920_breakout/chap8/Makefile | 12 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/chap8/pgm_8_1.c | 42 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/chap8/pgm_8_5.c | 43 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/sol1.c | 37 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/sol2.c | 52 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/zip/sol1.c | 37 | ||||
| -rw-r--r-- | OLD/csci4061/110920_breakout/zip/sol2.c | 52 |
7 files changed, 0 insertions, 275 deletions
diff --git a/OLD/csci4061/110920_breakout/chap8/Makefile b/OLD/csci4061/110920_breakout/chap8/Makefile deleted file mode 100644 index bd92bec..0000000 --- a/OLD/csci4061/110920_breakout/chap8/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -pgm81: pgm_8_1.c - gcc pgm_8_1.c -lm -o out - ./out 5 - -pgm85: pgm_8_5.c - gcc pgm_8_5.c -lm -o out - ./out - -.PHONY: clean - -clean: - rm out diff --git a/OLD/csci4061/110920_breakout/chap8/pgm_8_1.c b/OLD/csci4061/110920_breakout/chap8/pgm_8_1.c deleted file mode 100644 index a979bb6..0000000 --- a/OLD/csci4061/110920_breakout/chap8/pgm_8_1.c +++ /dev/null @@ -1,42 +0,0 @@ -// Program 8.1 - -#include <math.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -int main(int argc, char *argv[]) { - int i; - sigset_t intmask; - int repeatfactor; - double y = 0.0; - - if (argc != 2) { - fprintf(stderr, "Usage: %s repeatfactor\n", argv[0]); - return 1; - } - repeatfactor = atoi(argv[1]); - if ((sigemptyset(&intmask) == -1) || (sigaddset(&intmask, SIGINT) == -1)){ - perror("Failed to initialize the signal mask"); - return 1; - } - for ( ; ; ) { - if (sigprocmask(SIG_BLOCK, &intmask, NULL) == -1) - break; - fprintf(stderr, "SIGINT signal blocked\n"); - for (i = 0; i < repeatfactor; i++) - y += sin((double)i); - fprintf(stderr, "Blocked calculation is finished, y = %f\n", y); - sleep(3); - if (sigprocmask(SIG_UNBLOCK, &intmask, NULL) == -1) - break; - fprintf(stderr, "SIGINT signal unblocked\n"); - for (i = 0; i < repeatfactor; i++) - y += sin((double)i); - fprintf(stderr, "Unblocked calculation is finished, y=%f\n", y); - sleep(3); - } - perror("Failed to change signal mask"); - return 1; -}
\ No newline at end of file diff --git a/OLD/csci4061/110920_breakout/chap8/pgm_8_5.c b/OLD/csci4061/110920_breakout/chap8/pgm_8_5.c deleted file mode 100644 index b20cdfa..0000000 --- a/OLD/csci4061/110920_breakout/chap8/pgm_8_5.c +++ /dev/null @@ -1,43 +0,0 @@ -// Program 8.5 - -#include <math.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> - -static volatile sig_atomic_t doneflag = 0; - -/* ARGSUSED */ -static void setdoneflag(int signo) { - doneflag = 1; -} - -int main (void) { - struct sigaction act; - int count = 0; - double sum = 0; - double x; - - act.sa_handler = setdoneflag; /* set up signal handler */ - act.sa_flags = 0; - if ((sigemptyset(&act.sa_mask) == -1) || - (sigaction(SIGINT, &act, NULL) == -1)) { - perror("Failed to set SIGINT handler"); - return 1; - } - - while (!doneflag) { - x = (rand() + 0.5)/(RAND_MAX + 1.0); - sum += sin(x); - count++; - printf("Count is %d and average is %f\n", count, sum/count); - sleep(3); - } - - printf("Program terminating ...\n"); - if (count == 0) - printf("No values calculated yet\n"); - else - printf("Count is %d and average is %f\n", count, sum/count); - return 0; -}
\ No newline at end of file diff --git a/OLD/csci4061/110920_breakout/sol1.c b/OLD/csci4061/110920_breakout/sol1.c deleted file mode 100644 index d33b0df..0000000 --- a/OLD/csci4061/110920_breakout/sol1.c +++ /dev/null @@ -1,37 +0,0 @@ -/* -* Recitation Section Number: 9 -* Breakout Number: 6 -* Audrey Hebert (heber169) -* Qiyu Tian (tian0068) -* Mouhari Mouhamed (mouha003) -* Matt Strapp (strap012) -*/ - -#include <stdio.h> -#include <signal.h> -#include <unistd.h> -#include <time.h> - -void infinitePrint() { - - static int count = 0; - printf("%ld: Count = %d\n", time(NULL), ++count); - sleep(1); -} - -int main() { - - // ------------------sol1.c----------------- - // initialize new sigset - sigset_t, sigemptyset - sigset_t sigset; - sigemptyset(&sigset); - // add SIGINT to sigset - sigaddset - sigaddset(&sigset, SIGINT); - // block SIGINT - sigprocmask - sigprocmask(SIG_BLOCK, &sigset, NULL); - // Do not modify the while loop and infinitePrint() - // ----------------------------------------- - - /* Print infinitely. */ - while (1) infinitePrint(); -}
\ No newline at end of file diff --git a/OLD/csci4061/110920_breakout/sol2.c b/OLD/csci4061/110920_breakout/sol2.c deleted file mode 100644 index 04dad3e..0000000 --- a/OLD/csci4061/110920_breakout/sol2.c +++ /dev/null @@ -1,52 +0,0 @@ -/* -* Recitation Section Number: 9 -* Breakout Number: 6 -* Audrey Hebert (heber169) -* Qiyu Tian (tian0068) -* Mouhari Mouhamed (mouha003) -* Matt Strapp (strap012) -*/ - -#include <stdio.h> -#include <signal.h> -#include <unistd.h> -#include <time.h> - -// Remember the usage of sig_atomic_t in the recitation example -static volatile sig_atomic_t doneflag = 0; - -static void setdoneflag(int signo) { - doneflag = doneflag ^ 1; -} - -void infinitePrint() { - - static int count = 0; - printf("%ld: Count = %d\n", time(NULL), ++count); - sleep(1); -} - -int main() { - - // ------------------sol2.c----------------- - // setup signal handler - sigaction struct, sigemptyset, - struct sigaction act; - sigset_t sigset; - // specify action associated with SIGNT - sigaction() - act.sa_handler = setdoneflag; /* set up signal handler */ - act.sa_flags = 0; - if ((sigemptyset(&act.sa_mask) == -1) || - (sigaction(SIGINT, &act, NULL) == -1)) - { - perror("Failed to set SIGINT handler"); - return 1; - } - // You are free to modify the while loop but not the infinitePrint() - // ----------------------------------------- - - /* Print infinitely. */ - while (1) { - if (!doneflag) - infinitePrint(); - } -}
\ No newline at end of file diff --git a/OLD/csci4061/110920_breakout/zip/sol1.c b/OLD/csci4061/110920_breakout/zip/sol1.c deleted file mode 100644 index ca60c50..0000000 --- a/OLD/csci4061/110920_breakout/zip/sol1.c +++ /dev/null @@ -1,37 +0,0 @@ -/* -* Recitation Section Number: 9 -* Breakout Number: -* Audrey Hebert (heber169) -* Qiyu Tian (tian0068) -* Mouhari Mouhamed (mouha003) -* Matt Strapp (strap012) -*/ - -#include <stdio.h> -#include <signal.h> -#include <unistd.h> -#include <time.h> - -void infinitePrint() { - - static int count = 0; - printf("%ld: Count = %d\n", time(NULL), ++count); - sleep(1); -} - -int main() { - - // ------------------sol1.c----------------- - // initialize new sigset - sigset_t, sigemptyset - sigset_t sigset; - sigemptyset(&sigset); - // add SIGINT to sigset - sigaddset - sigaddset(&sigset, SIGINT); - // block SIGINT - sigprocmask - sigprocmask(SIG_BLOCK, &sigset, NULL); - // Do not modify the while loop and infinitePrint() - // ----------------------------------------- - - /* Print infinitely. */ - while (1) infinitePrint(); -}
\ No newline at end of file diff --git a/OLD/csci4061/110920_breakout/zip/sol2.c b/OLD/csci4061/110920_breakout/zip/sol2.c deleted file mode 100644 index 04dad3e..0000000 --- a/OLD/csci4061/110920_breakout/zip/sol2.c +++ /dev/null @@ -1,52 +0,0 @@ -/* -* Recitation Section Number: 9 -* Breakout Number: 6 -* Audrey Hebert (heber169) -* Qiyu Tian (tian0068) -* Mouhari Mouhamed (mouha003) -* Matt Strapp (strap012) -*/ - -#include <stdio.h> -#include <signal.h> -#include <unistd.h> -#include <time.h> - -// Remember the usage of sig_atomic_t in the recitation example -static volatile sig_atomic_t doneflag = 0; - -static void setdoneflag(int signo) { - doneflag = doneflag ^ 1; -} - -void infinitePrint() { - - static int count = 0; - printf("%ld: Count = %d\n", time(NULL), ++count); - sleep(1); -} - -int main() { - - // ------------------sol2.c----------------- - // setup signal handler - sigaction struct, sigemptyset, - struct sigaction act; - sigset_t sigset; - // specify action associated with SIGNT - sigaction() - act.sa_handler = setdoneflag; /* set up signal handler */ - act.sa_flags = 0; - if ((sigemptyset(&act.sa_mask) == -1) || - (sigaction(SIGINT, &act, NULL) == -1)) - { - perror("Failed to set SIGINT handler"); - return 1; - } - // You are free to modify the while loop but not the infinitePrint() - // ----------------------------------------- - - /* Print infinitely. */ - while (1) { - if (!doneflag) - infinitePrint(); - } -}
\ No newline at end of file |