X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fpager.c;h=d6474030c444d312d366f8faef04c7100bfa44de;hb=48c6f15efc9def50e7556bb51517687fbaa2fff8;hp=58b62fdccfab66cd430c5bb304ef4c7dbd3cc2fd;hpb=2a7a7d0b0f645b14cf0388b40d747b0ccb0c091e;p=elogind.git diff --git a/src/shared/pager.c b/src/shared/pager.c index 58b62fdcc..d6474030c 100644 --- a/src/shared/pager.c +++ b/src/shared/pager.c @@ -30,18 +30,17 @@ #include "process-util.h" #include "macro.h" #include "terminal-util.h" +#include "signal-util.h" +#include "copy.h" static pid_t pager_pid = 0; noreturn static void pager_fallback(void) { - ssize_t n; - - do { - n = splice(STDIN_FILENO, NULL, STDOUT_FILENO, NULL, 64*1024, 0); - } while (n > 0); + int r; - if (n < 0) { - log_error_errno(errno, "Internal pager failed: %m"); + r = copy_bytes(STDIN_FILENO, STDOUT_FILENO, (off_t) -1, false); + if (r < 0) { + log_error_errno(r, "Internal pager failed: %m"); _exit(EXIT_FAILURE); } @@ -85,6 +84,9 @@ int pager_open(bool jump_to_end) { if (pager_pid == 0) { const char* less_opts; + (void) reset_all_signal_handlers(); + (void) reset_signal_mask(); + dup2(fd[0], STDIN_FILENO); safe_close_pair(fd); @@ -148,6 +150,8 @@ bool pager_have(void) { return pager_pid > 0; } +/// UNNEEDED by elogind +#if 0 int show_man_page(const char *desc, bool null_stdio) { const char *args[4] = { "man", NULL, NULL, NULL }; char *e = NULL; @@ -178,6 +182,10 @@ int show_man_page(const char *desc, bool null_stdio) { if (pid == 0) { /* Child */ + + (void) reset_all_signal_handlers(); + (void) reset_signal_mask(); + if (null_stdio) { r = make_null_stdio(); if (r < 0) { @@ -198,3 +206,4 @@ int show_man_page(const char *desc, bool null_stdio) { log_debug("Exit code %i status %i", status.si_code, status.si_status); return status.si_status; } +#endif // 0