What if the process was in the middle of allocating additional memory on its heap using malloc, and you call malloc from the signal handler?

如果当进程正在使用 malloc 在它的堆上分配额外的内存时，您通过信号处理器调用 malloc，那会怎样？

youdao

Don't place the cell phone on your ear while your call is connecting — that's the time the phone is sending out its strongest signal.

当通话在接通的时候不要把手机放在耳边——那个时候手机发出的信号最强。

youdao

Most corporations, on the other hand, only know how to talk in the soothing, humorless monotone of the mission statement, marketing brochure, and your-call-is-important-to-us busy signal.

另一方面，大部分企业，只知道如何以安抚的、一本正经的单调方式来与人交谈，他们只有目标宣言、营销小册子，以及“你的来电对我们很重要”之类的托辞。

youdao

Investor sentiment has become so overwhelmingly negative that it might well signal a contrarian call on the next bull market cycle.

FORBES: The Small-Cap Contrarian Bull Case And 4 Stocks To Play It

On the other hand, should Apple signal a cash or product strategy, project a vision or improve communications on its call, then less risk-tolerant investors would want to look at buying Apple after the earnings call to participate in upside for the second half of 2013.

FORBES: Do I Buy Apple On Monday?

The Western tourists trapped in Khorog last week managed to call on their embassies for help only because two of them had roaming smartphones that caught a mobile-phone signal from neighboring Afghanistan, they said.

WSJ: Western Tourists Caught in Tajik Drama